It is the intent of Congress that no sale of a dwelling on which a mortgage is insured under the National Housing Act , as amended [ 12 U.S.C. 1701 et seq.], shall be financed, while such mortgage is so insured, at an interest rate higher than that prescribed by the Secretary of Housing and Urban Development. It is the further intent of Congress that no such sale shall be made, while such mortgage is so insured, on terms less favorable to the purchaser as to amortization, retirement, foreclosure, or forfeiture than those contained in such mortgage. (Apr. 20, 1950, ch. 94, title V, § 508, 64 Stat. 81 ; Pub. L. 90–19, § 8(e) , May 25, 1967 , 81 Stat. 22 .) Editorial Notes References in Text The National Housing Act , as amended, referred to in text, is act June 27, 1934, ch. 847, 48 Stat. 1246 , which is classified principally to this chapter (§ 1701 et seq.). For complete classification of this Act to the Code, see section 1701 of this title and Tables. Codification Section was enacted as part of the Housing Act of 1950 , and not as part of the National Housing Act which comprises this chapter. Amendments 1967— Pub. L. 90–19 substituted “Secretary of Housing and Urban Development” for “Federal Housing Commissioner”. CFR Title Parts 24 291