Okla. Stat. tit. 59, § 858-726
An Oklahoma certified real estate appraiser must comply with the Uniform Standards of Professional Appraisal Practice, as approved by the Appraisal Subcommittee when involved in a federally related transaction or a real estate-related financial transaction of the agencies, instrumentalities and federally recognized entities as defined and recognized by the Financial Institutions Reform, Recovery, and Enforcement Act of 1989, or when both the appraiser and user of appraisal services agree in writing that the work product is an appraisal, or when a written appraisal states that it is in compliance with the Uniform Standards of Professional Appraisal Practice.
Added by Laws 1990, HB 2267, c. 327, § 27, emerg. eff. May 31, 1990; Amended by Laws 1996, HB 2250, c. 318, § 11, emerg. eff. July 1, 1996.