IRS Revenue Procedure 2021-17
Revenue Procedure 2021-17 provides issuers of qualified mortgage bonds, as defined in § 143(a) of the Internal Revenue Code (Code), and issuers of mortgage credit certificates, as defined in § 25(c), with (1) the nationwide average purchase price for residences located in the United States, and (2) average area purchase price safe harbors for residences located in statistical areas in each state, the District of Columbia, Puerto Rico, the Northern Mariana Islands, American Samoa, the Virgin Islands, and Guam.
