Wisconsin Code § 70.99

County assessor
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(1) A county assessor system
may be established for any county by passage of a resolution or
ordinance adopting such a system by an approving vote of 60 percent of the entire membership of the county board. After passage
of this enabling resolution or ordinance by the county board, the
county executive, or the county administrator, or the chairperson
of the county board with the approval of the county board, shall
appoint a county assessor from a list of candidates provided by
the department of revenue who have passed an examination and
have been certified by the department of revenue as qualified for
performing the functions of the office. Certification shall be
granted to all persons demonstrating proficiency by passing an
examination administered by the department. The persons selected for listing shall first have been given a comprehensive examination, approved by the department of revenue, relating to the
work of county assessor. A person appointed as county assessor
shall thereafter have permanent tenure, after successfully serving
the probationary period in effect in the county, and may be removed or suspended only for the reasons named in s. 17.14 (1) or
for such cause as would sustain the suspension or removal of a
state employee under state civil service rules. If employees of a
county are under a county civil service program, the county assessor may, and any person appointed as a member of his or her
staff shall, be incorporated into the county civil service program
but tenure is dependent on the foregoing provision.
(1m) Upon request of a county that is considering the creation of an assessment system under this section, the department
of revenue may study the feasibility of that creation. The county
shall reimburse the department for the costs of the study.
(3) (a) The division of personnel management in the department of administration shall recommend a reasonable salary
range for the county assessor for each county based upon pay for
comparable work or qualifications in that county. If, by contractual agreement under s. 66.0301, 2 or more counties join to employ one county assessor with the approval of the secretary of
revenue, the division of personnel management shall recommend
a reasonable salary range for the county assessor under the agreement. The department of revenue shall assist the county in establishing the budget for the county assessor’s offices, including the
number of personnel and their qualifications, based on the anticipated workload.
(b) The department of revenue shall establish levels of proficiency for all appraisal personnel to be employed in offices of
county assessors.
(5) The county assessor and the county assessor’s staff shall
be supplied suitable quarters, equipment and supplies by the
county.
(6) In respect of any assessment made by a county assessor,
the county assessor shall perform all the functions and acts
theretofore required to be performed by the local assessor of the
taxation district and shall have the same authority, responsibility
and status, privileges and obligations of the assessor the county
assessor displaces, except as clearly inconsistent with this
section.
(7) The county assessor may designate one member of the
county assessor’s staff as deputy county assessor who shall have
full power to act for the county assessor in the event of the inability of the county assessor to act through absence, incapacity, resignation or otherwise.
(8) Each city, town and village assessor duly appointed or
elected and qualified to make the assessment for a city, town or
village shall continue in office for all purposes of completing the
functions of assessor with respect to such current year’s assessment, but is divested of all authority in respect to the January 1
assessment that comes under the jurisdiction of the county
assessor.
(9) In making the first assessment of any city, town or village
the county assessor shall equalize the assessment of property
within each taxation district. Thereafter, the county assessor
shall revalue each year as many taxation districts under the
county assessor’s jurisdiction within the county as the county assessor’s available staff will permit so as to bring and maintain
each such taxation district at a full value assessment. The county
assessor shall proceed with such work so as to complete the revaluation of all taxation districts under the county assessor’s jurisdiction within 4 years. Such revaluation shall be made according
to the procedures and manuals established by the department of
revenue for the use of assessors.
(10) (a) There shall be one board of review for each county
under the county assessor system. The board of review in any
county having a county executive shall be appointed by the
county executive from the cities or villages or towns under the
county assessor. The board of review of all other counties shall
be appointed by the chairperson of the county board from the tax
districts under the county assessor. County board of review appointments in all counties shall be subject to approval by the
county board. The board of review shall have 5 to 9 members, no
more than 2 of whom may reside in the same city, town or village,
and shall hold office as members of said board for staggered 5year terms and until their successors are appointed and qualified.
In counties other than Milwaukee County at least one member
shall be from a town. The compensation and reimbursement of
expenses of members of the board of review shall be fixed by the
county board and shall be borne by the county. Each such board

of review shall appoint one of its members present at the hearing
as clerk and such clerk shall keep an accurate record of its proceedings. The provisions of s. 70.47, not in conflict with this section, shall be applicable to procedure for review of assessments
by county boards of review and to appeals from determinations of
county boards of review.
(b) Two members of the board of review may hold the hearing
of the evidence but a majority of the board members must be
present to constitute a quorum at the meeting at which the determination of the issue is made. A majority vote of the quorum
shall constitute the determination. In the event there is a tie vote,
the assessor’s valuation shall be sustained.
(c) A board member may not be counted in determining a
quorum and may not vote concerning any determination unless,
concerning such determination, such member:
1. Attended the hearing of the evidence; or
2. Received the transcript of the hearing no less than 5 days
prior to the meeting and read such transcript; or
3. Received a mechanical recording of the evidence no less
than 5 days prior to the meeting and listened to such recording; or
4. Received a copy of a summary and all exceptions thereto
no less than 5 days prior to the meeting and read such summary
and exceptions. In this subdivision “summary” means a written
summary of the evidence prepared by one or more board members attending the hearing of evidence, which summary shall be
distributed to all board members and all parties to the contested
assessment and “exceptions” means written exceptions to the
summary of evidence filed by parties to the contested
assessment.
(10m) The county board may by resolution establish a
county board of assessors, which board shall be comprised of the
county assessor or the deputy county assessor and such other
members of the county assessor’s staff as the county assessor annually designates. If so established the county board of assessors
shall investigate any objection referred to it by direction of the
county board of review. The county board of assessors shall, after having made the investigation notify the person assessed or
that person’s agent of its determination by first class mail, and a
copy of such determination shall be transmitted to the county
board of review. The person assessed having been notified of the
determination of the county board of assessors shall be deemed to
have accepted such determination unless that person notifies the
county assessor in writing, within 10 days, of that person’s desire
to present testimony before the county board of review.
(10p) In counties that enter into a compact for a county assessor system, the board of review shall consist of 2 members appointed by each county with one additional member appointed by
the county having the greatest full value.
(11) The county assessor shall annually submit a budget request for funds to cover the operation of the county assessor system for the ensuing year to the county office responsible for preparing the county budget.
(13) (a) 1. The department of revenue shall prescribe the due
dates, the forms, and the format of information transmitted by the
county assessor to the department as to the assessment of property and any other information that may be needed in the department’s work. The department of revenue shall also prescribe the
form of assessment rolls, forms, books, and returns required for
the assessment and collection of general property taxes by the
county. The county shall submit material on or before the due
dates that the department prescribes and shall use all of the material that the department prescribes.
2. The department of revenue shall design and make available to any county, basic computer programs for the preparation
of assessment rolls, tax rolls and tax receipts which are deemed
necessary by the secretary of revenue to the utilization of automatic data processing in the administration of the property tax.
(b) The department of revenue shall prescribe minimum specifications for assessment maps. Any county whose assessment
maps do not meet the department’s specifications at the time of
converting to the county assessment system shall have 4 years
from the first countywide January 1 assessment date to bring its
maps in conformance with the department’s specifications.
(c) The department of revenue shall determine the minimum
number of staff members required for each county assessor’s office and the level of certification under sub. (3) required for each
position.
(d) In order to effect the orderly transition of local property
assessment to the county assessor system, as soon as practicable
after the effective date of the resolution or ordinance adopting
such system, all assessment records, books, maps, aerial photographs, appraisal cards and any other data currently in the possession of any town, village or city shall be made available to and become the property of the county assessor.
(14) A county may discontinue a county assessor system by
passage of a resolution or ordinance by an approving vote of a
majority of the entire membership of the county board. The effective date of the resolution or ordinance shall be December 31.
A county shall, on or before October 31 of the year when the resolution or ordinance is effective, notify all municipalities in the
county of its intent to discontinue its county assessor system. As
soon as practicable after the effective date of the resolution or ordinance, the county shall transfer to the proper municipality all
assessment records, books, maps, aerial photographs, appraisal
cards and other assessment data in its possession.

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