Property tax assessment rules.

WORKING DRAFT

ORIGINAL SENATE

FILE

NO.
0144

ENROLLED ACT NO. 52, SENATE

SIXTIETH LEGISLATURE OF THE STATE OF
WYOMING
2009 GENERAL SESSION

AN ACT relating to
taxation and revenue;
providing for rules and regulations for the assessment of property for taxation purposes;
and providing for an effective date.

Be It Enacted by the Legislature of the State of
Wyoming
:

Section 1.

W.S. 39
‑
11
‑
102(c)
(xxiii), (xxiv) and
by creating a new paragraph (xxv) is amended to read:

39
‑
11
‑
102.

Administration; confidentiality; department of revenue.

(c)

In addition to the other powers and duties imposed by law, the department shall:

(xxiii)

Review boundaries for proposed special districts pursuant to W.S. 22
‑
29
‑
109(a);
and

(xxiv)

Promulgate rules and regulations as provided by the Wyoming Administrative Procedure Act, necessary to map and keep record of the geographical boundaries for all special districts and governmental entities with the authority to levy or require the levy of property taxes. Notwithstanding any other provision of law, no special district or governmental entity with authority to levy or require the levy of property taxes shall levy any property taxes unless in compliance with the rules and regulations promulgated pursuant to this subsection
;
.

and

(xxv)

Promulgate rules and regulations as provided by the Wyoming Administrative Procedure Act to be followed by all county assessors to
e
nsure the statistical quality and fairness of assessed values of residential properties, improved and unimproved, computed using sales comparison methods, and
which
require county assessor
s
to provide statistical parameter data annually to the state board of equalization to demonstrate compliance with the rules. The rules shall specifically address any adjustments made by a county assessor in input data to, or assessed values obtained from, the county's computer assisted mass
appraisal
system, the method of establishing
strata for sales ratio studies
, the
adequacy
of the number of arms-length sales
to be used
in
any
sales comparison analyses, and
the use of appropriate
statistical test
s
to
protect

against the
statistical likelihood that any property in
any stratum
is over

assessed
.

The rules shall include requirements for the format and quality of a written explanation of the county assessor's residential assessment methodology, including an explanation and description of the parameters used to develop any stratification applied to a
class of
property as well as any market adjustment factors utilized to arrive at a fair market value for a property. The written explanations required to be maintained by the county assessor shall be public records available to a taxpayer upon request.

Section 2.

In preparing the rules required by section 1 of this act, the department of revenue shall consider the published rules and procedures in other states employing a computer assisted mass appraisal system. The rules shall comply with generally accepted statistical methods and the International Association of Appraisal Officers standards.

Section 3
.

This act is effective July 1, 2009.

(END)

Speaker of the House

President of the Senate

Governor

TIME APPROVED: _________

DATE APPROVED: _________

I hereby certify that this act originated in the Senate.

Chief Clerk

1