Wisconsin Code § 71.04

Situs of income; allocation and apportionment
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(1) SITUS. (a) All income or loss of resident individuals and resident estates and trusts shall follow the residence of the individual, estate or trust. Income or loss of nonresident individuals and
nonresident estates and trusts from business, not requiring apportionment under sub. (4) or (11), shall follow the situs of the business from which derived, except that all income that is realized
from the sale of or purchase and subsequent sale or redemption of
lottery prizes if the winning tickets were originally bought in this
state shall be allocated to this state. All items of income, loss and
deductions of nonresident individuals and nonresident estates and
trusts derived from a tax-option corporation not requiring apportionment under sub. (9) shall follow the situs of the business of
the corporation from which derived, except that all income that is
realized from the sale of or purchase and subsequent sale or redemption of lottery prizes if the winning tickets were originally
bought in this state shall be allocated to this state. Income or loss
of nonresident individuals and nonresident estates and trusts derived from rentals and royalties from real estate or tangible personal property, or from the operation of any farm, mine or quarry,
or from the sale of real property or tangible personal property
shall follow the situs of the property from which derived. Income
from personal services of nonresident individuals, including income from professions, shall follow the situs of the services. A
nonresident limited partner’s distributive share of partnership income shall follow the situs of the business, except that all income
that is realized from the sale of or purchase and subsequent sale
or redemption of lottery prizes if the winning tickets were originally bought in this state shall be allocated to this state. A nonresident limited liability company member’s distributive share of
limited liability company income shall follow the situs of the
business, except that all income that is realized from the sale of or
purchase and subsequent sale or redemption of lottery prizes if
the winning tickets were originally bought in this state shall be allocated to this state. Income of nonresident individuals, estates
and trusts from the state lottery under ch. 565 is taxable by this
state. Income of nonresident individuals, estates and trusts from
any multijurisdictional lottery under ch. 565 is taxable by this
state, but only if the winning lottery ticket or lottery share was
purchased from a retailer, as defined in s. 565.01 (6), located in
this state or from the department. Income of nonresident individuals, nonresident trusts and nonresident estates from pari-mutuel
winnings or purses under ch. 562 is taxable by this state. Income
of nonresident individuals, estates and trusts from winnings from
a casino or bingo hall that is located in this state and that is operated by a Native American tribe or band shall follow the situs of
the casino or bingo hall. Income derived by a nonresident individual from a covenant not to compete is taxable by this state to
the extent that the covenant was based on a Wisconsin-based activity. All other income or loss of nonresident individuals and
nonresident estates and trusts, including income or loss derived
from land contracts, mortgages, stocks, bonds and securities or
from the sale of similar intangible personal property, shall follow
the residence of such persons, except as provided in par. (b) and
sub. (9), except that all income that is realized from the sale of or
purchase and subsequent sale or redemption of lottery prizes if
the winning tickets were originally bought in this state shall be allocated to this state.
(b) For purposes of determining the situs of income under this
section:
1. The situs of income derived by any taxpayer as the beneficiary of the estate of a decedent or of a trust estate shall be determined as if such income had been received without the intervention of a fiduciary.
2. The situs of income received by a trustee, which income,
under the internal revenue code, is taxable to the grantor of the
trust or to any person other than the trust, shall be determined as
if such income had been actually received directly by such
grantor or such other person, without the intervention of the trust.
3. The residence of an estate or trust shall be as provided under s. 71.14.
(2) PART-YEAR RESIDENT LIABILITY DETERMINATION. Liability to taxation for income which follows the residence of the
recipient, in the case of persons other than corporations, who
move into or out of the state within the year, shall be determined
for such year on the basis of the income received (or accrued, if
on the accrual basis) during the portion of the year that any such
person was a resident of Wisconsin. The net income of such person assignable to the state for such year shall be used in determining the income subject to assessment under this chapter.
(3) PARTNERS AND LIMITED LIABILITY COMPANY MEMBERS.
(a) Part-year residents, time of residence. Partners or members
who are residents of this state for less than a full taxable year
shall compute taxes for that year on their share of partnership or
limited liability company income or loss under this chapter on the
part of the taxable year during which they are residents in the following manner:
1. Assign an equal portion of each item of income, loss or deduction to each day of the partnership’s or limited liability company’s taxable year.
2. Multiply each daily portion of those items of income, loss
or deduction by a fraction that represents the partner’s or member’s portion, on that day, of the total partnership or limited liability company interest.
3. Net the items of income, loss or deduction, after the calculation under subd. 2., for all of the days during which the partner
or member was a resident of this state.
(b) Part-year residents, nonresidents. All partners or members who are residents of this state for less than a full taxable year
or who are nonresidents shall compute taxes for that year on their
share of partnership or limited liability company income or loss
under this chapter for the part of the taxable year during which

they are nonresidents by recognizing their proportionate share of
all items of income, loss or deduction attributable to a business
in, services performed in, or rental of property in, this state.
(c) Disregarding agreements. In computing taxes under this
chapter a partner or member shall disregard, for purposes of determining the situs of partnership income of partners, all provisions in partnership or limited liability company agreements that
do any of the following:
1. Characterize the consideration for payments to the partner
or member as services or the use of capital.
2. Allocate to the partner or member, as income from or gain
from sources outside this state, a greater proportion of the partner’s or member’s distributive share of partnership or limited liability company income or gain than the ratio of partnership or
company income or gain from sources outside this state to partnership or company income or gain from all sources.
3. Allocate to a partner or member a greater proportion of a
partnership or limited liability company item of loss or deduction
from sources in this state than the partner’s or member’s proportionate share of total partnership or company loss or deduction.
4. Determine a partner’s or member’s distributive share of an
item of partnership or limited liability company income, gain,
loss or deduction for federal income tax purposes if the principal
purpose of that determination is to avoid or evade the tax under
this chapter.
(4) NONRESIDENT ALLOCATION AND APPORTIONMENT FORMULA. Nonresident individuals and nonresident estates and
trusts engaged in business within and without the state shall be
taxed only on such income as is derived from business transacted
and property located within the state. The amount of such income attributable to Wisconsin may be determined by an allocation and separate accounting thereof, when the business of such
nonresident individual or nonresident estate or trust within the
state is not an integral part of a unitary business, but the department of revenue may permit an allocation and separate accounting in any case in which it is satisfied that the use of such method
will properly reflect the income taxable by this state. In all cases
in which allocation and separate accounting is not permissible,
the determination shall be made in the following manner: for all
businesses except air carriers, financial organizations, telecommunications companies, pipeline companies, public utilities, railroads, and car line companies there shall first be deducted from
the total net income of the taxpayer the part thereof (less related
expenses, if any) that follows the situs of the property or the residence of the recipient. The remaining net income shall be apportioned to this state by use of an apportionment fraction composed
of the sales factor under sub. (7).
(4m) APPORTIONMENT FORMULA COMPUTATION. (a) For
taxable years beginning after December 31, 2007, if both the numerator and the denominator of the sales factor under sub. (7) related to a taxpayer’s remaining net income are zero, none of the
taxpayer’s remaining net income is apportioned to this state.
(b) For taxable years beginning after December 31, 2007, if
the numerator of the sales factor under sub. (7) related to a taxpayer’s remaining net income is a negative number and the denominator of the sales factor under sub. (7) related to a taxpayer’s
remaining net income is a positive number, a negative number, or
zero, none of the taxpayer’s remaining net income is apportioned
to this state.
(c) For taxable years beginning after December 31, 2007, if
the numerator of the sales factor under sub. (7) related to a taxpayer’s remaining net income is a positive number and the denominator of the sales factor under sub. (7) related to a taxpayer’s
remaining net income is zero or a negative number, all of the taxpayer’s remaining net income is apportioned to this state.
(7) SALES FACTOR. For purposes of sub. (4):
(a) The sales factor is a fraction, the numerator of which is the
total sales of the taxpayer in this state during the tax period, and
the denominator of which is the total sales of the taxpayer everywhere during the tax period. For sales of tangible personal property, the numerator of the sales factor is the sales of the taxpayer
during the tax period under par. (b) 1. and 2. plus 100 percent of
the sales of the taxpayer during the tax period under pars. (b) 2m.
and 3. and (c). For purposes of applying pars. (b) 2m. and 3. and
(c), if a taxpayer is within another state’s jurisdiction for income
or franchise tax purposes for any part of the taxable year, it is
considered to be within that state’s jurisdiction for income or
franchise tax purposes for the entire taxable year.
(b) Sales of tangible personal property are in this state if any
of the following occur:
1. The property is delivered or shipped to a purchaser, other
than the federal government, within this state regardless of the
f.o.b. point or other conditions of the sale.
2. The property is shipped from an office, store, warehouse,
factory or other place of storage in this state and delivered to the
federal government within this state regardless of the f.o.b. point
or other conditions of sale.
2m. The property is shipped from an office, store, warehouse, factory or other place of storage in this state and delivered
to the federal government outside this state and the taxpayer is not
within the jurisdiction, for income or franchise tax purposes, of
the destination state.
3. The property is shipped from an office, store, warehouse,
factory or other place of storage in this state to a purchaser other
than the federal government and the taxpayer is not within the jurisdiction, for income or franchise tax purposes, of the destination state.
(c) Sales of tangible personal property by an office in this
state to a purchaser in another state and not shipped or delivered
from this state are in this state if the taxpayer is not within the jurisdiction for income tax purposes of either the state from which
the property is delivered or shipped or of the destination state.
(df) 1. Gross receipts from the use of computer software are
in this state if the purchaser or licensee uses the computer software at a location in this state.
2. Computer software is used at a location in this state if the
purchaser or licensee uses the computer software in the regular
course of business operations in this state, for personal use in this
state, or if the purchaser or licensee is an individual whose domicile is in this state. If the purchaser or licensee uses the computer
software in more than one state, the gross receipts shall be divided among those states having jurisdiction to impose an income
tax on the taxpayer in proportion to the use of the computer software in those states. To determine computer software use in this
state, the department may consider the number of users in each
state where the computer software is used, the number of site licenses or workstations in this state, and any other factors that reflect the use of computer software in this state.
(dh) 1. Gross receipts from services are in this state if the purchaser of the service received the benefit of the service in this
state.
2. The benefit of a service is received in this state if any of
the following applies:
a. The service relates to real property that is located in this
state.
b. The service relates to tangible personal property that is delivered directly or indirectly to customers in this state.

c. The service is purchased by an individual who is physically present in this state at the time that the service is received.
d. The service is provided to a person engaged in a trade or
business in this state and relates to that person’s business in this
state.
3. Except as provided in subd. 4., if the purchaser of a service
receives the benefit of a service in more than one state, the gross
receipts from the performance of the service are included in the
numerator of the sales factor according to the portion of the service received in this state.
4. For taxable years beginning after December 31, 2018, a
broadcaster’s gross receipts from advertising are in this state only
if the advertiser’s commercial domicile is in this state. With regard to a broadcaster who is a member of a combined group, as
defined in s. 71.255 (1) (a), this subdivision does not apply to the
gross receipts of the members who are not broadcasters.
(dj) 1. Except as provided in subd. 2. and par. (df), gross royalties and other gross receipts received for the use or license of intangible property, including patents, copyrights, trademarks,
trade names, service names, franchises, licenses, plans, specifications, blueprints, processes, techniques, formulas, designs, layouts, patterns, drawings, manuals, technical know-how, contracts,
and customer lists, are sales in this state if any of the following
applies:
a. The purchaser or licensee uses the intangible property in
the operation of a trade or business at a location in this state. Except as provided in subd. 2., if the purchaser or licensee uses the
intangible property in the operation of a trade or business in more
than one state, the gross royalties and other gross receipts from
the use of the intangible property shall be divided between those
states having jurisdiction to impose an income tax on the taxpayer in proportion to the use of the intangible property in those
states.
b. The purchaser or licensee is billed for the purchase or license of the use of the intangible property at a location in this
state.
c. The purchaser or licensee of the use of the intangible property has its commercial domicile in this state.
2. For taxable years beginning after December 31, 2018, a
broadcaster’s gross royalties and other gross receipts received for
the use or license of intangible property are sales in this state only
if the commercial domicile of the purchaser or licensee is in this
state and the purchaser or licensee has a direct connection or relationship with the broadcaster pursuant to a contract under which
the royalties or receipts are derived. With regard to a broadcaster
who is a member of a combined group, as defined in s. 71.255 (1)
(a), this subdivision does not apply to the gross royalties and receipts of the members who are not broadcasters.
(dk) 1. Sales of intangible property, excluding securities, are
sales in this state if any of the following applies:
a. The purchaser uses the intangible property in the regular
course of business operations in this state or for personal use in
this state. If the purchaser uses the intangible property in more
than one state, the sales shall be divided between those states having jurisdiction to impose an income tax on the taxpayer in proportion to the use of the intangible property in those states.
b. The purchaser is billed for the purchase of the intangible
property at a location in this state.
c. The purchaser of the intangible property has its commercial domicile in this state.
(e) In this subsection, “sales” includes, but is not limited to,
the following items related to the production of business income:
1. Gross receipts from the sale of inventory.
2. Gross receipts from the operation of farms, mines and
quarries.
3. Gross receipts from the sale of scrap or by-products.
4. Gross commissions.
5. Gross receipts from personal and other services.
6. Gross rents from real property or tangible personal
property.
7. Interest on trade accounts and trade notes receivable.
8. A partner’s or member’s share of the partnership’s or limited liability company’s gross receipts.
9. Gross management fees.
10. Gross royalties from income-producing activities.
11. Gross franchise fees from income-producing activities.
(f) The following items are among those that are not included
in “sales” in this subsection:
1. Gross receipts and gain or loss from the sale of tangible
business assets, except those under par. (e) 1., 2. and 3.
2. Gross receipts and gain or loss from the sale of nonbusiness real or tangible personal property.
3. Gross rents and rental income or loss from real property or
tangible personal property if that real property or tangible personal property is not used in the production of business income.
4. Royalties from nonbusiness real property or nonbusiness
tangible personal property.
5. Proceeds and gain or loss from the redemption of
securities.
6. Interest, except interest under par. (e) 7., and dividends.
7. Gross receipts and gain or loss from the sale of intangible
assets, except those under par. (e) 1.
8. Dividends deductible by corporations in determining net
income.
9. Gross receipts and gain or loss from the sale of securities.
10. Proceeds and gain or loss from the sale of receivables.
11. Refunds, rebates and recoveries of amounts previously
expended or deducted.
12. Other items not includable in apportionable income.
13. Foreign exchange gain or loss.
14. Royalties and income from passive investments in the
property under s. 71.25 (5) (a) 21.
16. Pari-mutuel wager winnings or purses under ch. 562.
17. Gross receipts from sales of property or services as part
of performing disaster relief work, as defined in s. 323.12 (5) (a)
3.
(g) 1. For taxable years beginning after December 31, 2018,
the amount of a broadcaster’s gross receipts from advertising and
the use or license of intangible property, as determined under
pars. (dh) 4. and (dj) 2., shall be adjusted as follows:
a. Determine the amount of the numerator of the sales factor
for a broadcaster as provided in this subsection.
b. Multiply .01 by the total amount of the domestic gross receipts of the broadcaster from advertising and royalties and other
gross receipts for the use or license of intangible property.
c. Determine the numerator of the sales for a broadcaster by
substituting the amount determined under subd. 1. b. for the total
amount determined under subd. 1. a.
d. Except as provided in subd. 1. e., if the amount of the numerator determined under subd. 1. c. is more than the amount determined under subd. 1. a., substitute the amount of total gross receipts determined under subd. 1. b. for the total amount of the
gross receipts determined under subd. 1. a. For purposes of this
subd. 1. d., the amount of the numerator for a broadcaster is the
amount determined under subd. 1. c.

e. If the amount of the numerator computed under subd. 1. c.
is more than 140 percent of the amount determined under subd.
1. a., adjust the total amount of the gross receipts under subd. 1. a.
so that the amount of the numerator for a broadcaster is 140 percent of the numerator otherwise determined under subd. 1. a.
2. The department may promulgate rules to administer this
paragraph.
(8) RAILROADS, FINANCIAL ORGANIZATIONS AND PUBLIC
UTILITIES. (a) 1. In this section, “financial organization” means
any bank, trust company, savings bank, industrial bank, land
bank, safe deposit company, private banker, savings and loan association, credit union, cooperative bank, small loan company,
sales finance company, investment company, brokerage house,
underwriter, or any type of insurance company.
2. In this section, “financial organization” includes any subsidiary of an entity described in subd. 1., if a significant purpose
for the subsidiary is to hold investments or if the subsidiary primarily functions to hold investments.
(b) In this section, for taxable years beginning after December
31, 2005, “public utility” means any business entity providing
service to the public and engaged in the transportation of goods
and persons for hire, as defined in s. 194.01 (4) , regardless of
whether or not the entity’s rates or charges for services have been
established or approved by a federal, state or local government or
governmental agency.
(c) The net business income of railroads, car line companies,
pipeline companies, financial organizations, telecommunications
companies, air carriers, and public utilities requiring apportionment shall be apportioned pursuant to rules of the department of
revenue, but the income taxed is limited to the income derived
from business transacted and property located within the state.
2.502, Wis. adm. code.
(9) NONRESIDENT INCOME FROM MULTISTATE TAX-OPTION
CORPORATION. Nonresident individuals and nonresident estates
and trusts deriving income from a tax-option corporation which
is engaged in business within and without this state shall be taxed
only on the income of the corporation derived from business
transacted and property located in this state and losses and other
items of the corporation deductible by such shareholders shall be
limited to their proportionate share of the Wisconsin loss or other
item, except that all income that is realized from the sale of or
purchase and subsequent sale or redemption of lottery prizes if
the winning tickets were originally bought in this state shall be allocated to this state. For purposes of this subsection, all intangible income of tax-option corporations passed through to shareholders is business income that follows the situs of the business,
except that all income that is realized from the sale of or purchase
and subsequent sale or redemption of lottery prizes if the winning
tickets were originally bought in this state shall be allocated to
this state.
(11) DEPARTMENT MAY APPORTION BY RULE. If the income
of any such nonresident individual or nonresident estate or trust
properly assignable to the state of Wisconsin cannot be ascertained with reasonable certainty by the methods under this section, then the same shall be apportioned and allocated under such
rules as the department of revenue may prescribe.

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