Answer: government agencies
Explanation: The Appraisal Foundation sets standards for the valuation of real estate in the United States. It aims to maintain consistency in the valuation of real estate among appraisers. Relevant government agencies give the foundation's standards legal authority. The foundation is not for profit and its work is divided under four boards.
The Appraiser Qualifications Board: is in charge of certification criteria such as education and experience requirements.
The Appraiser Practices Board serves an advisory role for professionals .
Appraisal Standards Board reviews and enforces the Uniform Standards of Professional Appraisal Practice (USPAP) .