Authority: IC 6-1.1-4-4.5; IC 6-1.1-31-1; IC 6-1.1-31-12

Affected: IC 6-1.1-13; IC 6-1.1-14

Sec. 4. County assessors and the department may use any method or combination of methods acceptable under the International Association of Assessing Officials (IAAO) Standards to perform the tasks mandated by this article. "IAAO standards" refers collectively to the:

1. (1) IAAO Standard on Ratio Studies (April 2013);
2. (2) IAAO Standard on Tax Policy (January 2010);
3. (3) IAAO Standard on Mass Appraisal of Real Property (July 2017); and
4. (4) IAAO Standard on Verification and Adjustment of Sales (November 2010);

which are hereby incorporated by reference. The IAAO standards are available from the IAAO on its webpage: www.iaao.org. Unless otherwise indicated, the definitions in the glossary or definition sections of the IAAO standards apply to all such terms that are used in this article.

(Department of Local Government Finance; 50 IAC 27-1-4; filed Apr 8, 2010, 1:45 p.m.: 20100505-IR-050090502FRA; filed Nov 2, 2020, 9:34 a.m.: 20201202-IR-050190636FRA; readopted filed Oct 21, 2025, 9:19 a.m.: 20251112-IR-050240632RFA)