1. (1) Definitions.

   1. (a) "Accepted valuation methodologies" means those methodologies approved or endorsed in the Standard on Mass Appraisal of Real Property and the Standard on Automated Valuation Models published by the International Association of Assessing Officers (IAAO).
   2. (b) "Database," as referenced in Section 59-2-303.1(6), means an electronic storage of data using computer hardware and software that is relational, secure and archival, and adheres to generally accepted information technology standards of practice.
2. (2) County mass appraisal systems, as defined in Section 59-2-303.1, shall use accepted valuation methodologies to perform the annual update of all residential parcels.

3. (3)(a) A detailed review of property characteristics shall include a sufficient inspection to determine any changes to real property due to:

   1. (i) new construction, additions, remodels, demolitions, land segregations, changes in use, or other changes of a similar nature; and

      1. (ii) a change in condition or effective age.

   2. (b)(i) A detailed review of property characteristics shall be made in accordance with the IAAO Standard on Mass Appraisal of Real Property.

      1. (ii) When using aerial photography, including oblique aerial photography, the date of the photographic flight is the property review date for purposes of Section 59-2-303.1.
4. (4) The last property review date to be included in the county's computer system shall include the actual day, month, and year that the last detailed review of a property's characteristics was conducted.
5. (5) The last property review date to be included on the notice shall include at least the actual year or tax year that the last detailed review of a property's characteristics was conducted. The month and day of the review may also be included on the notice at the discretion of the county assessor and auditor.

6. (6)(a) The five-year plan shall detail the current year plus four subsequent years into the future. The plan shall define the properties being reviewed for each of the five years by one or more of the following:

   1. (i) class;

      1. (ii) property type;
      2. (iii) geographic location; and
      3. (iv) age.
   2. (b) The five-year plan shall also include parcel counts for each defined property group.

KEY: taxation, personal property, property tax, appraisals

Date of Last Change: January 1, 2026

Notice of Continuation: November 9, 2021

Authorizing, and Implemented or Interpreted Law: Art. XIII, Sec 2; 9-2-201; 11-13-302; 41-1a-202; 41-1a-301; 59-1-210; 59-2-102; 59-2-103; 59-2-103.5; 59-2-104; 59-2-201; 59-2-210; 59-2-211; 59-2-301; 59-2-301.3; 59-2-302; 59-2-303; 59-2-303.1; 59-2-305; 59-2-306; 59-2-401; 59-2-402; 59-2-404; 59-2-405; 59-2-405.1; 59-2-406; 59-2-508; 59-2-514; 59-2-515; 59-2-701; 59-2-702; 59-2-703; 59-2-704; 59-2-704.5; 59-2-705; 59-2-801; 59-2-918 through 59-2-924; 59-2-1002; 59-2-1004; 59-2-1005; 59-2-1006; 59-2-1101; 59-2-1102; 59-2-1104; 59-2-1106; 59-2-1107 through 59-2-1109; 59-2-1113; 59-2-1115; 59-2-1202; 59-2-1202(5); 59-2-1302; 59-2-1303; 59-2-1308.5; 59-2-1317; 59-2-1328; 59-2-1330; 59-2-1347; 59-2-1351; 59-2-1365; 59-2-1703