Colorado Code § 39-22-104

Income tax imposed on individuals, estates, and trusts - single rate - report - tax preference performance statement - legislative declaration - definitions - repeal
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(1) Subject to subsection (2) of this section, with respect to taxable years commencing
on or after January 1, 1987, but prior to January 1, 1999, a tax of five percent is imposed on the
federal taxable income, as determined pursuant to section 63 of the internal revenue code, of
every individual, estate, and trust.
(1.5) Subject to subsection (2) of this section, with respect to taxable years commencing
on or after January 1, 1999, but prior to January 1, 2000, a tax of four and three-quarters percent
is imposed on the federal taxable income, as determined pursuant to section 63 of the internal
revenue code, of every individual, estate, and trust.
(1.7) (a) Except as otherwise provided in section 39-22-627, subject to subsection (2) of
this section, with respect to taxable years commencing on or after January 1, 2000, but before
January 1, 2020, a tax of four and sixty-three one-hundredths percent is imposed on the federal
taxable income, as determined pursuant to section 63 of the internal revenue code, of every
individual, estate, and trust.
(b) Except as otherwise provided in section 39-22-627, subject to subsection (2) of this
section, with respect to taxable years commencing on or after January 1, 2020, but before
January 1, 2022, a tax of four and fifty-five one-hundredths percent is imposed on the federal
taxable income, as determined pursuant to section 63 of the internal revenue code, of every
individual, estate, and trust.
(c) Except as otherwise provided in section 39-22-627, subject to subsection (2) of this
section, with respect to taxable years commencing on or after January 1, 2022, a tax of four and
forty one-hundredths percent is imposed on the federal taxable income, as determined pursuant
to section 63 of the internal revenue code, of every individual, estate, and trust.
(2) Prior to the application of the rate of tax prescribed in subsection (1), (1.5), or (1.7)
of this section, the federal taxable income shall be modified as provided in subsections (3) and
(4) of this section.
(3) There shall be added to the federal taxable income: 
(a) Any federal net operating loss deduction carried over from a taxable year beginning
prior to January 1, 1987;
(b) An amount equal to the interest income which is excluded from gross income for
federal income tax purposes pursuant to section 103 (a) of the internal revenue code less
amortization of premium on obligations of any state or any political subdivision thereof, other
than interest income on obligations of the state of Colorado or any political subdivision thereof
which are issued on or after May 1, 1980, and other than interest income on obligations of the
state of Colorado or any political subdivision thereof which were issued prior to May 1, 1980, to
the extent that such interest is specifically exempt from income taxation under the laws of the
state of Colorado authorizing the issuance of such obligations. The amount of such interest shall
be the net amount after reduction by the amount of the deductions related thereto which are
required by the internal revenue code to be allocated to such classes of interest.
(c) Repealed.
(d) (I) For income tax years beginning on and after January 1, 1992, for those taxpayers
who deduct state income taxes pursuant to section 164 (a)(3) of the internal revenue code, an
amount equal to the deduction claimed; except that such amount shall be limited to the amount
required to reduce the federal itemized amount computed under section 161 of the internal
revenue code to the amount of the standard deduction allowable under section 63 (c) of the
internal revenue code.
(II) For income tax years beginning on or after January 1, 2000, for two individuals
whose federal taxable income is determined on a joint federal return and who deduct state
income taxes pursuant to section 164 (a)(3) of the internal revenue code, an amount equal to the
deduction claimed; except that such amount shall be limited to the amount required to reduce the
federal itemized amount computed under section 161 of the internal revenue code to an amount
equal to double the amount of the basic standard deduction allowable under section 63 (c)(2) of
the internal revenue code in the case of an individual federal return for an individual who is not
the head of a household plus any additional standard deduction allowable under section 63 (c)(3)
of the internal revenue code, if applicable.
(e) (I) Any expenses incurred by a taxpayer with respect to expenditures made at, or
payments made to, a club licensed pursuant to section 44-3-418 that has a policy to restrict
membership on the basis of sex, sexual orientation, gender identity, gender expression, marital
status, race, creed, religion, color, ancestry, or national origin. Any such club shall provide on
each receipt furnished to a taxpayer a printed statement as follows:
The expenditures covered by this receipt are
nondeductible for state income tax purposes.
(II) The general assembly finds, determines, and declares that the people of the state of
Colorado desire to promote and achieve tax equity and fairness among all the state's citizens and
further desire to conform to the public policy of nondiscrimination. The general assembly further
declares that the provisions of this paragraph (e) are enacted for these reasons and for no other
purpose.
(f) Any amount withdrawn from a medical savings account pursuant to section 39-22-
504.7 (3)(b)(II) or (3)(b)(III);
(g) For the income tax years commencing on or after January 1, 2000, an amount equal
to the charitable contribution deduction allowed by section 170 of the internal revenue code to
the extent such deduction includes a contribution of real property to a charitable organization for
a conservation purpose for which an income tax credit is claimed pursuant to section 39-22-522;
(h) Repealed.
(i) An amount equal to a business expense for labor services that is deducted pursuant to
section 162 (a)(1) of the internal revenue code but that is prohibited from being claimed as a
deductible business expense for state income tax purposes pursuant to section 39-22-529;
(j) For income tax years commencing on or after January 1, 2015, but before January 1,
2020, an amount equal to the charitable contribution deduction allowed by section 170 of the
internal revenue code to the extent such deduction includes a food contribution during the tax
year to a hunger-relief charitable organization for which an income tax credit is claimed pursuant
to section 39-22-536;
(k) (I) Prior to January 1, 2025, the amount recaptured in accordance with section 39-22-
4705 (2).
(II) This subsection (3)(k) is repealed, effective December 31, 2028.
(l) For income tax years ending on and after the enactment of the March 2020
"Coronavirus Aid, Relief, and Economic Security Act", Pub.L. 116-136, referred to in this
section as the "CARES Act", but before January 1, 2021, and for income tax years beginning on
and after the enactment of the "CARES Act", but before January 1, 2021, an amount equal to the
difference between a taxpayer's net operating loss deduction as determined under section 172 (a)
of the internal revenue code before the amendments made by section 2303 of the "CARES Act"
and the taxpayer's net operating loss deduction as determined under section 172 (a) of the
internal revenue code after the amendments made by section 2303 of the "CARES Act";
(m) For income tax years ending on and after the enactment of the "CARES Act", but
before January 1, 2021, and for income tax years beginning on and after the enactment of the
"CARES Act", but before January 1, 2021, an amount equal to a taxpayer's excess business loss
as determined under section 461 (l) of the internal revenue code without regard to the
amendments made by section 2304 of the "CARES Act", but with regard to the technical
amendment made by section 2304 (b)(2)(B) of the "CARES Act";
(n) For income tax years ending on and after the enactment of the "CARES Act", but
before January 1, 2021, and for income tax years beginning on and after the enactment of the
"CARES Act", but before January 1, 2021, an amount equal to the amount in excess of the
limitation on business interest under section 163 (j) of the internal revenue code without regard
to the amendments made by section 2306 of the "CARES Act";
(o) For income tax years commencing on or after January 1, 2021, but before January 1,
2026, an amount equal to the deduction allowed under section 199A of the internal revenue code
for a taxpayer who files a single return and whose adjusted gross income is greater than five
hundred thousand dollars, and for taxpayers who file a joint return and whose adjusted gross
income is greater than one million dollars; except that this subsection (3)(o) does not apply to a
taxpayer who is required to file a schedule F, profit or loss from farming, or successor form, as
an attachment to a federal income tax return for the tax year in which the taxpayer claims the
deduction allowed under section 199A of the internal revenue code.
(p) Except as otherwise provided in subsection (3)(p.5) of this section, for income tax
years commencing on or after January 1, 2022, for taxpayers who claim itemized deductions as
defined in section 63 (d) of the internal revenue code and who have federal adjusted gross
income in the income tax year equal to or exceeding four hundred thousand dollars:
(I) For a taxpayer who files a single return, the amount by which the itemized deductions
deducted from gross income under section 63 (a) of the internal revenue code exceed thirty
thousand dollars; and
(II) For taxpayers who file a joint return, the amount by which the itemized deductions
deducted from gross income under section 63 (a) of the internal revenue code exceed sixty
thousand dollars.
(p.5) (I) For income tax years commencing on or after January 1, 2023, for taxpayers
who claim itemized deductions as defined in section 63 (d) of the internal revenue code or the
standard deduction as defined in section 63 (c) of the internal revenue code and who have federal
adjusted gross income in the income tax year equal to or exceeding three hundred thousand
dollars:
(A) For a taxpayer who files a single return, the amount by which the itemized
deductions deducted from gross income under section 63 (a) of the internal revenue code exceed,
or the standard deduction deducted from gross income under section 63 (c) of the internal
revenue code exceeds, twelve thousand dollars; and
(B) For taxpayers who file a joint return, the amount by which the itemized deductions
deducted from gross income under section 63 (a) of the internal revenue code exceed, or the
standard deduction deducted from gross income under section 63 (c) of the internal revenue code
exceeds, sixteen thousand dollars.
(II) For the 2023-24 state fiscal year and state fiscal years thereafter, the general
assembly shall annually appropriate an amount at least equal to the amount of revenue generated
by the addition to federal taxable income described in subsection (3)(p.5)(I) of this section,
calculated without regard to any temporary rate reduction pursuant to section 39-22-627, but not
more than the amount required, to fully fund the direct and indirect costs of implementing the
healthy school meals for all program as provided in section 22-82.9-209. The provisions of
subsection (3)(p.5)(I) of this section constitute a voter-approved revenue change, approved by
the voters at the statewide election in November of 2022, and the revenue generated by this
voter-approved revenue change may be collected, retained, appropriated, and spent without
subsequent voter approval, notwithstanding any other limits in the state constitution or law. The
addition to federal taxable income described in subsection (3)(p.5)(I) of this section does not
apply for an income tax year that commences after the healthy school meals for all program, or
any successor program, is repealed. Upon repeal of the healthy school meals for all program, or
any successor program, the commissioner of education shall promptly notify the executive
director in writing that the program is repealed.
(q) (I) For income tax years commencing on or after January 1, 2022, but before January
1, 2023, an amount equal to a federal deduction claimed for the income tax year for a food and
beverage expense that exceeds fifty percent of the amount of the expense and that was allowed
under section 274 (n)(2)(D) of the internal revenue code.
(II) This subsection (3)(q) is repealed, effective December 31, 2030.
(r) Notwithstanding subsection (3)(o) of this section, for income tax years commencing
on or after January 1, 2018, an amount equal to the deduction taken under section 199A of the
internal revenue code, except to the extent the deduction is otherwise disallowed under section
265 of the internal revenue code, for an electing pass-through entity owner of an electing pass-
through entity, as such terms are defined in section 39-22-342, that makes the election allowed in
subpart 3 of part 3 of this article 22.
(s) (I) For income tax years commencing on or after January 1, 2024, but before January
1, 2031, an amount equal to a federal deduction claimed for a business meal pursuant to section
274 (k) of the internal revenue code.
(II) This subsection (3)(s) is repealed, effective December 31, 2035.
(t) For income tax years commencing on or after January 1, 2025, an amount equal to the
amount of employer contribution that an employee forfeits pursuant to section 39-22-558 (3)(c)
and that the taxpayer had previously subtracted from the taxpayer's federal taxable income
pursuant to subsection (4)(bb) of this section.
(4) There shall be subtracted from federal taxable income:
(a) An amount equal to any interest income on obligations of the United States and its
possessions to the extent included in federal taxable income;
(a.5) Repealed.
(b) To the extent included in federal adjusted gross income, the portion of any gain or
loss from the sale or other disposition of property having a higher adjusted basis for Colorado
income tax purposes than for federal income tax purposes on the date such property was sold or
disposed of in a transaction in which gain or loss was recognized for purposes of federal income
tax that does not exceed such difference in basis;
(c) The amount necessary to prevent the taxation under this article of any annuity or
other amount of income or gain which was properly included in income or gain and was taxed
under the laws of this state for a prior tax year, to the taxpayer, or to a decedent by reason of
whose death the taxpayer acquired the right to receive the income or gain, or to a trust or estate
from which the taxpayer received the income or gain;
(d) Repealed.
(e) The amount of any refund or credit for overpayment of income taxes imposed by this
state or any other taxing jurisdiction to the extent included in gross income for federal income
tax purposes but not previously allowed as a deduction for Colorado income tax purposes;
(f) (I) For income tax years commencing on or after January 1, 1989, amounts received
as pensions or annuities from any source by any individual who is fifty-five years of age or older
at the close of the taxable year, to the extent included in federal adjusted gross income;
(II) For income tax years commencing on or after January 1, 1989, amounts received as
pensions or annuities from any source by any individual who is less than fifty-five years of age
at the close of the taxable year if such benefits are received because of the death of the person
originally entitled to receive such benefits and only to the extent such benefits are included in
federal adjusted gross income;
(III) (A) Amounts subtracted under this subsection (4)(f) are capped at twenty thousand
dollars per tax year for any individual who is fifty-five years of age or older but less than sixty-
five years of age at the close of the taxable year. For income tax years commencing on or after
January 1, 2025, the cap set forth in this subsection (4)(f)(III)(A) is calculated by first
considering the total amount of social security benefits a taxpayer received that were included in
federal taxable income at the close of the taxable year. If the total amount of such social security
benefits exceeds the cap set forth in this subsection (4)(f)(III)(A), and the taxpayer's adjusted
gross income for the applicable tax year is less than or equal to seventy-five thousand dollars if
filing individually or ninety-five thousand dollars if filing jointly, then the cap is increased to an
amount equal to the total amount of such social security benefits.
(B) Amounts subtracted under this subsection (4)(f) are capped at twenty-four thousand
dollars per tax year for any individual who is sixty-five years of age or older at the close of the
taxable year. For income tax years commencing on or after January 1, 2022, the cap set forth in
this subsection (4)(f)(III)(B) is calculated by first considering the total amount of social security
benefits a taxpayer received that were included in federal taxable income at the close of the
taxable year. If the total amount of such social security benefits exceeds the cap set forth in this
subsection (4)(f)(III)(B), then the cap is increased to an amount equal to the total amount of such
social security benefits.
(C) For the purpose of determining the subtraction allowed by this subsection (4)(f), in
the case of a joint return, social security benefits included in federal taxable income shall be
apportioned in a ratio of the gross social security benefits of each taxpayer to the total gross
social security benefits of both taxpayers.
(D) As used in this subsection (4)(f), "pensions and annuities" means retirement benefits
that are periodic payments attributable to personal services performed by an individual prior to
his or her retirement from employment and that arise from an employer-employee relationship,
from service in the uniformed services of the United States, or from contributions to a retirement
plan that are deductible for federal income tax purposes. "Pensions and annuities" includes
distributions from individual retirement arrangements and self-employed retirement accounts to
the extent that such distributions are not deemed to be premature distributions for federal income
tax purposes, amounts received from fully matured privately purchased annuities, social security
benefits, and amounts paid from any such sources by reason of permanent disability or death of
the person entitled to receive the benefits.
(E) In accordance with section 39-21-304 (1), which requires each bill that creates a new
tax expenditure to include a tax preference performance statement as part of a statutory
legislative declaration, the general assembly finds and declares that the general purpose of the
tax expenditure created in subsection (4)(f)(III)(B) of this section is to provide tax relief for
certain individuals and that the specific purpose of the tax expenditure is to provide such tax
relief to persons aged fifty-five and older in light of the increase in property tax rates in the
income tax year commencing on January 1, 2023. The general assembly and the state auditor
shall measure the effectiveness of the exemption allowed by this section based on the total
amount of social security benefits in excess of twenty thousand dollars per individual per tax
year that individuals aged fifty-five to sixty-four, inclusive, subtract from their federal taxable
income when calculating their state taxable income.
(F) The department of revenue, in consultation with the state auditor, shall collect the
information necessary for the state auditor to measure the effectiveness of the income tax
subtraction allowed by this section based on the total amount of social security benefits in excess
of twenty thousand dollars per individual per tax year that individuals who are aged fifty-five to
sixty-four, and whose adjusted gross income is less than or equal to seventy-five thousand
dollars if filing individually or ninety-five thousand dollars if filing jointly, subtract from their
federal taxable income when calculating their state taxable income.
(g) Repealed.
(h) (I) Prior to January 1, 2025, any amount contributed to a medical savings account by
an employer pursuant to section 39-22-504.7 (2)(e), to the extent such amount is not claimed as a
deduction on the taxpayer's federal tax return.
(II) This subsection (4)(h) is repealed, effective December 31, 2028.
(i) (I) (A) For income tax years commencing on or after January 1, 1998, an amount
equal to the portion attributable to interest and other income of a distribution under a qualified
state tuition program that is distributed for the purpose of meeting qualified higher education
expenses of a designated beneficiary, to the extent such amount is included in federal taxable
income;
(B) Before January 1, 2026, an amount equal to the portion attributable to interest and
other income of a distribution under a qualified ABLE program that is distributed for the purpose
of meeting qualified disability expenses of a designated beneficiary, to the extent such amount is
included in federal taxable income;
(C) Subsection (4)(i)(I)(B) of this section and this subsection (4)(i)(I)(C) are repealed,
effective January 1, 2030.
(II) (A) For income tax years commencing on or after January 1, 2001, but before
January 1, 2022, an amount equal to all payments or contributions made during the taxable year
under an advance payment contract, to a savings trust account, or otherwise in connection with a
qualified state tuition program established by collegeinvest created in section 23-3.1-203, or to a
qualified state tuition program that is affiliated with an educational institution in the state and
that is established and maintained pursuant to section 529 of the internal revenue code or any
successor section.
(B) Except as provided in subsection (4)(i)(II)(C) of this section, for income tax years
commencing on or after January 1, 2022, an amount equal to all payments or contributions, not
to exceed twenty thousand dollars per taxpayer per beneficiary for a taxpayer who files a single
return, or thirty thousand dollars per taxpayer per beneficiary for taxpayers who file a joint
return, made during the taxable year under an advance payment contract, to a savings trust
account, or otherwise in connection with a qualified state tuition program established by
collegeinvest created in section 23-3.1-203, or to a qualified state tuition program that is
affiliated with an educational institution in the state and that is established and maintained
pursuant to section 529 of the internal revenue code or any successor section, or, before January
1, 2026, in connection with a qualified ABLE program. Notwithstanding subsection
(4)(i)(III)(D) of this section, collegeinvest may treat a change in beneficiary as a nonqualifying
distribution if the change was made for the purpose of evading the limit in this subsection
(4)(i)(II)(B).
(C) For income tax years commencing on or after January 1, 2023, the limits specified in
subsection (4)(i)(II)(B) of this section are annually adjusted by the percentage change in the
combined average annual costs of tuition and room and board for all state institutions of higher
education, as defined in section 24-30-1301 (18). The department of higher education shall
annually calculate the percentage change described in this subsection (4)(i)(II)(C) and shall
provide the calculation to the department of revenue by a deadline determined by the department
of revenue. The department of revenue may round the adjusted limits to the nearest hundred
dollars.
(III) No subtraction is allowed pursuant to this subsection (4)(i) to the extent that such
payments or contributions are excluded from the taxpayer's federal taxable income for the
taxable year. Any subtraction taken under this subsection (4)(i) is added to the account holder's
taxable income in the taxable year or years in which any distribution, refund, or any other
withdrawal is made pursuant to an advance payment contract, from a savings trust account, or
otherwise in connection with a qualified state tuition program for any reason other than:
(A) To pay qualified higher education expenses;
(B) As a result of the beneficiary's death or disability;
(C) As a result of receiving a scholarship and as long as the aggregate amount of
distributions, refunds, or withdrawals made pursuant to this subsection (4)(i)(III)(C) do not
exceed the amount of the scholarship provided during such tax year; or
(D) As a result of a change in designated beneficiary, if the change complies with
section 529 (c)(3)(C)(ii) of the internal revenue code.
(III.5) No subtraction is allowed pursuant to this subsection (4)(i) to the extent that such
payments or contributions are excluded from the taxpayer's federal taxable income for the
taxable year. Before January 1, 2026, any subtraction taken under this subsection (4)(i) is added
to the account holder's taxable income in the taxable year or years in which any distribution,
refund, or any other withdrawal is made pursuant to an advance payment contract, from a
savings trust account, or otherwise in connection with a qualified ABLE program for any reason
other than:
(A) To pay qualified disability expenses;
(B) As a result of the beneficiary's death or disability; or
(C) As a result of a change in designated beneficiary, if the change complies with section
529A (c)(1)(C)(ii) of the internal revenue code.
(D) This subsection (4)(i)(III.5) is repealed, effective January 1, 2030.
(IV) As used in this subsection (4)(i), unless the context otherwise requires:
(A) "Designated beneficiary" has the same meaning as defined in section 529 (e)(1) of
the internal revenue code.
(B) "Qualified higher education expense" has the same meaning as defined in section
529 (e)(3) of the internal revenue code, and expenses for fees, books, supplies, and equipment
required for the participation of a designated beneficiary in an apprenticeship program as defined
in section 529 (c)(8) of the internal revenue code.
(C) "Qualified state tuition program" means a qualified tuition program as defined in
section 529 (b) of the internal revenue code.
(D) "Qualified ABLE program", before January 1, 2026, means a qualified ABLE
program as defined in section 529A (b) of the internal revenue code.
(E) "Qualified disability expense", before January 1, 2026, has the same meaning as
defined in section 529A (e)(5) of the internal revenue code.
(IV.5) Subsections (4)(i)(IV)(B) and (4)(i)(IV)(C) of this section and this subsection
(4)(i)(IV.5) are repealed, effective January 1, 2030.
(V) Beginning January 1, 2022, and annually thereafter, collegeinvest shall provide the
department with a secure electronic report containing information for the 529 qualified state
tuition program's account owners and third-party contributors necessary for the administration of
the deduction allowed in this section. The report must include:
(A) The name and social security number, and the contribution amount, of all Colorado
taxpayers making a contribution to a collegeinvest account in the reporting tax year commencing
on or after January 1, 2021;
(B) The name and social security number, and the contribution amount, of any other
Colorado taxpayer making a contribution to a collegeinvest account in the reporting tax year
commencing on or after January 1, 2021, who intends to participate in the deduction allowed in
this section; and
(C) The name and social security number, and the distribution amount, of each account
holder of a collegeinvest account who is also a Colorado taxpayer making a distribution in the
reporting tax year commencing on or after January 1, 2021, and the reason, if any, for the
distribution.
(VI) The purpose of the deduction authorized in this subsection (4)(i) is to create
additional incentives for saving for college tuition not already created by other state or federal
law.
(j) to (l.5) Repealed.
(m) (I) Except as provided in subparagraph (VII) of this paragraph (m), for any income
tax year commencing on or after January 1, 2001, for any individual who claims the basic
standard deduction allowed under section 63 (c)(2) of the internal revenue code on the
individual's federal return and, therefore, cannot claim an itemized deduction for charitable
contributions pursuant to section 170 of the internal revenue code, an amount equal to the
amount of any deduction based upon the aggregate amount of charitable contributions in excess
of five hundred dollars that the individual could have claimed pursuant to section 170 of the
internal revenue code if the individual had not claimed the basic standard deduction.
(II) Any state income tax modification allowed pursuant to the provisions of
subparagraph (I) of this paragraph (m) shall be published in rules promulgated by the executive
director in accordance with article 4 of title 24, C.R.S., and shall be included in income tax
forms for that taxable year.
(III) to (VI) Repealed.
(VII) For any income tax year commencing on or after January 1, 2015, but before
January 1, 2020, any individual who claims an income tax credit allowed in section 39-22-536
may not claim the deduction set forth in this paragraph (m) for the food contribution to the
hunger-relief charitable organization.
(n) Repealed.
(n.5) (I) (A) For income tax years commencing on or after January 1, 2014, but prior to
January 1, 2017, and for income tax years commencing on or after January 1, 2020, but prior to
January 1, 2025, an amount equal to fifty percent of a landowner's costs incurred in performing
wildfire mitigation measures in that income tax year on his or her property located within the
state; except that the amount of the deduction claimed in an income tax year shall not exceed two
thousand five hundred dollars or the total amount of the landowner's federal taxable income for
the income tax year for which the deduction is claimed, whichever is less.
(A.5) For income tax years commencing on or after January 1, 2017, but prior to January
1, 2020, an amount equal to one hundred percent of a landowner's costs incurred in performing
wildfire mitigation measures in that income tax year on his or her property located within the
state; except that the amount of the deduction claimed in an income tax year shall not exceed two
thousand five hundred dollars or the total amount of the landowner's federal taxable income for
the income tax year for which the deduction is claimed, whichever is less.
(B) In the case of two taxpayers filing a joint return, the amount subtracted from federal
taxable income shall not exceed two thousand five hundred dollars in any taxable year. In the
case of two taxpayers who may legally file a joint return but actually file separate returns, only
one of the taxpayers may claim the deduction specified in this paragraph (n.5).
(C) In the case of real property owned as tenants in common, the deduction allowed
pursuant to this paragraph (n.5) shall only be allowed to one of the individuals of the ownership
group.
(II) A landowner who performs wildfire mitigation measures on his or her real property
located within the state may claim the deduction authorized by this paragraph (n.5) if the
wildfire mitigation measures are performed in a wildland-urban interface area.
(III) For purposes of this paragraph (n.5):
(A) "Colorado state forest service" means the Colorado state forest service identified in
section 23-31-302, C.R.S.
(B) "Costs" means any actual out-of-pocket expense incurred and paid by the landowner,
documented by receipt, for performing wildfire mitigation measures. "Costs" do not include any
inspection or certification fees, in-kind contributions, donations, incentives, or cost sharing
associated with performing wildfire mitigation measures. "Costs" do not include expenses paid
by the landowner from any grants awarded to the landowner for performing wildfire mitigation
measures.
(C) "Landowner" means any owner of record of private land located within the state,
including any easement, right-of-way, or estate in the land, and includes the heirs, successors,
and assigns of such land, and shall not include any partnership, S corporation, or other similar
entity that owns private land as an entity.
(D) "Wildfire mitigation measures" means the creation of a defensible space around
structures; the establishment of fuel breaks; the thinning of woody vegetation for the primary
purpose of reducing risk to structures from wildland fire; or the secondary treatment of woody
fuels by lopping and scattering, piling, chipping, removing from the site, or prescribed burning;
so long as such activities meet or exceed any Colorado state forest service standards or any other
applicable state rules.
(IV) This subsection (4)(n.5) is repealed, effective January 1, 2028.
(o) For income tax years commencing on or after January 1, 2011, an amount equal to
any amount received as employer matching contributions to an adult learner's individual trust
account or savings account made pursuant to part 3 of article 3.1 of title 23, C.R.S.;
(p) For income tax years commencing on or after January 1, 2014, any amount received
as a grant from the military family relief fund created in section 28-3-1502, C.R.S., to the extent
that it is included in federal taxable income;
(q) For income tax years commencing on or after January 1, 2013, an amount equal to
any amount received as compensation for an exonerated person pursuant to section 13-65-103,
C.R.S., on or after January 1, 2014, except as to those portions of the judgment awarded as
attorney fees for bringing a claim under such section;
(r) For income tax years commencing on or after January 1, 2014, if a taxpayer is
licensed under the "Colorado Marijuana Code", article 10 of title 44, or its predecessor codes, an
amount equal to any expenditure that is eligible to be claimed as a federal income tax deduction
but is disallowed by section 280E of the internal revenue code because marijuana is a controlled
substance under federal law;
(r.5) For income tax years commencing on or after January 1, 2024, if a taxpayer is
licensed pursuant to the "Colorado Natural Medicine Code", article 50 of title 44, an amount
equal to any expenditure that is eligible to be claimed as a federal income tax deduction but is
disallowed by section 280E of the internal revenue code because natural medicine is a controlled
substance under federal law;
(s) Repealed.
(t) (I) For income tax years commencing on or after January 1, 2015, and prior to
January 1, 2025, compensation that would be subject to withholding under section 39-22-604,
received by a nonresident individual for performing disaster-related work in the state during a
disaster period.
(II) For purposes of this paragraph (t):
(A) "Declared state disaster emergency" means a disaster or emergency event for which
the governor has issued an executive order declaring a disaster emergency.
(B) "Disaster period" means a period that begins with the day of the governor's executive
order declaring a state disaster emergency and that extends for a period of sixty calendar days
after the expiration of the governor's executive order.
(C) "Disaster-related work" means repairing, renovating, installing, building, or
rendering services that relate to infrastructure that has been damaged, impaired, or destroyed by
a declared state disaster emergency or providing emergency medical, firefighting, law
enforcement, hazardous material, search and rescue, or other emergency service related to a
declared state disaster emergency.
(D) "Infrastructure" means property and equipment owned or used by communications
networks, gas and electric utilities, water pipelines, and public roads and bridges and related
support facilities that service multiple customers or citizens, including but not limited to real and
personal property such as buildings, offices, lines, poles, pipes, structures, and equipment.
(III) This subsection (4)(t) is repealed, effective December 31, 2028.
(u) For income tax years commencing on or after January 1, 2016, an amount equal to
any compensation received for active duty service in the armed forces of the United States by an
individual who has reacquired residency in the state pursuant to section 39-22-110.5, to the
extent that the compensation is included in federal taxable income;
(v) Repealed.
(w) (I) For income tax years commencing on or after January 1, 2017, and prior to
January 1, 2025, to the extent included in federal taxable income and as permitted under part 47
of this article 22, an amount equal to any interest and other income earned on the investment of
the money in a first-time home buyer savings account during the taxable year.
(II) Any exclusion taken under subparagraph (I) of this paragraph (w) is subject to
recapture under paragraph (k) of subsection (3) of this section as specified in section 39-22-
4705.
(III) This subsection (4)(w) is repealed, effective December 31, 2028.
(x) (I) Except as otherwise provided in subsection (4)(x)(II) of this section, for income
tax years commencing on or after January 1, 2018, all income earned, to the extent included in
federal taxable income except as otherwise provided in subsection (4)(x)(IV) of this section, as a
direct result of winning a medal while competing for the United States of America at the
Olympic games.
(II) The subtraction provided for in subsection (4)(x)(I) of this section does not apply to
a taxpayer whose federal adjusted gross income for the income tax year in which the taxpayer
has income earned as a direct result of winning a medal, as determined prior to application of
this subsection (4)(x), exceeds one million dollars or, if the taxpayer's filing status is married
filing separately, exceeds five hundred thousand dollars.
(III) As used in this subsection (4)(x):
(A) "Income earned as a direct result of winning a medal" includes both the monetary
value of the medal itself and any monetary award given for winning the medal by the United
States Olympic committee or any sport-specific national governing body or Paralympic sport
organization but does not include endorsement income or nonmonetary benefits.
(B) "Olympic games" means the summer and winter Olympic games and the summer
and winter Paralympic games.
(IV) The monetary value of any medal won while competing for the United States of
America at either the summer or winter Olympic games or the summer or winter Paralympic
games shall be subtracted from federal taxable income regardless of whether or not said
monetary value is included in federal taxable income.
(y) (I) For income tax years commencing on or after January 1, 2019, but prior to
January 1, 2029, an amount equal to a qualified individual's military retirement benefits included
in federal adjusted gross income, but not to exceed the following amounts:
(A) Four thousand five hundred dollars for income tax years commencing on or after
January 1, 2019, but prior to January 1, 2020;
(B) Seven thousand five hundred dollars for income tax years commencing on or after
January 1, 2020, but prior to January 1, 2021;
(C) Ten thousand dollars for income tax years commencing on or after January 1, 2021,
but before January 1, 2022; or
(D) Fifteen thousand dollars for income tax years commencing on or after January 1,
2022, but before January 1, 2029.
(II) As used in this subsection (4)(y):
(A) "Military retirement benefits" means any retirement benefits received as a result of
the individual's service in the armed forces of the United States.
(B) "Qualified individual" means an individual who is under fifty-five years of age at the
close of the taxable year.
(III) (A) In accordance with section 39-21-304 (1), which requires each bill that extends
a tax expenditure to include a tax preference performance statement as part of a statutory
legislative declaration if one was not previously included in the tax expenditure, the general
assembly finds and declares that the purpose of the tax expenditure in this subsection (4)(y) is to
provide tax relief to certain individuals, namely military retirees.
(B) The general assembly and the state auditor shall measure the effectiveness of this tax
expenditure in achieving the purpose specified in subsection (4)(y)(III)(A) of this section by
measuring whether military retirees are benefitting from the tax expenditure, and by how much.
(z) (I) Except as provided in subsection (4)(z)(II) of this section, for income tax years
beginning on or after January 1, 2021, but before January 1, 2022, the sum of the amount by
which taxable income for the specified tax years exceeds the taxable income for the modified
specified tax years computed separately for each income tax year, plus the sum of any amounts
added back by the taxpayer as specified in subsections (3)(l), (3)(m), and (3)(n) of this section.
(II) (A) The subtraction calculated under subsection (4)(z)(I) of this section applies after
the application of the other subtractions provided for in this subsection (4) and is limited to the
lesser of the taxpayer's Colorado taxable income or three hundred thousand dollars.
(B) Any amount of the subtraction calculated under subsection (4)(z)(I) of this section
that a taxpayer may not claim by operation of subsection (4)(z)(II)(A) of this section may be
carried forward to subsequent tax years as a subtraction from the taxpayer's federal taxable
income until exhausted; except that each tax year's subtraction may not exceed the lesser of the
taxpayer's Colorado taxable income or one hundred fifty thousand dollars for the income tax
years commencing on or after January 1, 2022, but before January 1, 2026, and each year's
subtraction may not exceed the taxpayer's Colorado taxable income in any income tax years
thereafter. Any subtraction must be applied first to the earliest income tax years possible.
(III) A taxpayer that applies the subtraction allowed in this subsection (4)(z) with respect
to qualified improvement property shall calculate the gain or loss on a sale of such qualified
improvement property for purposes of the subtraction in subsection (4)(b) of this section using
the basis reported on their federal income tax return at the time of the sale.
(IV) As used in this subsection (4)(z), unless the context otherwise requires:
(A) "CARES Act" means the March 2020 "Coronavirus Aid, Relief, and Economic
Security Act", Pub.L. 116-136.
(B) "Colorado taxable income" means federal taxable income as modified by this article
22 without regard to this subsection (4)(z).
(C) "Retroactive provisions of the CARES Act" means the changes made to the internal
revenue code in sections 2303, 2304, 2306, and 2307 of the CARES Act.
(D) "Taxable income for the modified specified tax years" means the taxpayer's
Colorado taxable income for tax years ending before March 27, 2020, as calculated under the
internal revenue code and Colorado law applicable to the taxpayer's return as of the date the
return was due, as modified by the application of the retroactive provisions of the CARES Act
applied to the calculation of the taxpayer's federal taxable income, but only to the extent the
taxpayer appropriately applied those provisions to the taxpayer's federal income tax returns for
each tax year.
(E) "Taxable income for the specified tax years" means the taxpayer's Colorado taxable
income for tax years ending before March 27, 2020, as calculated under Colorado law applicable
to the taxpayer's return as of the date the return was due.
(aa) Repealed.
(bb) For income tax years commencing on or after January 1, 2024, but before January
1, 2027, an amount equal to any employer contribution received from an employer pursuant to
section 39-22-558. This subsection (4)(bb) is repealed, effective December 31, 2034.
(cc) (I) For income tax years commencing on or after January 1, 2026, but before
January 1, 2034, an amount equal to the amount of any Segal AmeriCorps Education Award
received for service in the AmeriCorps national service program, which is used by the taxpayer
during the income tax year.
(II) In accordance with section 39-21-304 (1), which requires each bill that creates a new
tax expenditure to include a tax preference performance statement as part of a statutory
legislative declaration, the general assembly finds and declares that:
(A) The purpose of the income tax subtraction created in this subsection (4)(cc) is to
provide tax relief for certain individuals, specifically taxpayers who have received Segal
AmeriCorps Education Awards for AmeriCorps service; and
(B) The general assembly and the state auditor shall measure the effectiveness of the
subtraction in achieving the purpose specified in subsection (4)(cc)(II)(A) of this section based
on the number and aggregate amount of subtractions claimed in a tax year.
(III) The department of revenue shall maintain information about the number of
taxpayers who claim the subtraction in a tax year and the aggregate amount of subtractions
claimed in a tax year, in addition to any other information determined necessary by the
department of revenue, to evaluate the effectiveness of the tax subtraction allowed in this
subsection (4)(cc) in achieving the purpose specified in subsection (4)(cc)(II)(A) of this section,
and shall provide this information upon request of the general assembly or the state auditor.
(IV) This subsection (4)(cc) is repealed, effective July 1, 2039.
(5) (a) For income tax years commencing prior to January 1, 2023, any person who is
required by the terms of this article 22 to file a return whose only activities in Colorado consist
of making sales, who does not own or rent real estate within the state of Colorado, and whose
annual gross sales in or into this state amount to not more than one hundred thousand dollars
may elect to pay a tax of one-half of one percent of his annual gross receipts derived from sales
in or into Colorado in lieu of paying an income tax.
(b) This subsection (5) is repealed, effective July 1, 2025.

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