; (2) clearly set forth all of the specific requirements under section 202(g)(5) of the National Housing Act (as amended by subsection (a) of this section) for approval to conduct appraisals under title II of such Act, which shall include— (A) providing that the completion, prior to the effective date of such mortgagee letter or guidance, of training meeting the requirements under subparagraph (B) of such section 202(g)(5) (as amended by subsection (a) of this section) shall be considered to fulfill the requirement under such subparagraph; and (B) providing a method for appraisers to demonstrate such prior completion; and (3) take effect not later than the expiration of the 180-day period beginning upon issuance of such mortgagee letter or guidance.