; and (C) by inserting after subparagraph (A) the following new subparagraph: (B) is held by the FHA pursuant to subtitle B of title V of the Protecting American Taxpayers and Homeowners Act of 2018 ; or ; and (3) by adding at the end the following new section: 820. Authority of FHA After the expiration of the transition period under section 551 of the Protecting American Taxpayers and Homeowners Act of 2018 , any reference in sections 804 through 819 of this Act to the Secretary shall be considered to also refer to the FHA (as established pursuant to subtitle B of title V of such Act), but only with respect to single family mortgages described in section 803(10)(B). . (e) Multifamily mortgage foreclosure The Multifamily Mortgage Foreclosure Act of 1981 ( 12 U.S.C. 3701 et seq.) is amended— (1) in section 363(2) ( 12 U.S.C. 3702(2) ), by adding after and below subparagraph (E) the following: Such term includes a mortgage on a property consisting of 5 or more dwelling units that is held by the FHA pursuant to subtitle B of title V of the Protecting American Taxpayers and Homeowners Act of 2018 . . (2) by adding at the end the following new section: 369J. Authority of FHA After the expiration of the transition period under section 551 of the Protecting American Taxpayers and Homeowners Act of 2018 , any reference in sections 364 through 369I of this Act to the Secretary shall be considered to also refer to the FHA (as established pursuant to subtitle B of such Act), but only with respect to multifamily mortgages described in the last sentence of section 363(2). . (f) Effective date The amendment made by this section shall be made, and shall apply beginning on, the expiration of the transition period under section 551.