of the monthly assistance payment for the household on whose behalf a rural housing voucher is provided pursuant to section 542 of the Housing Act of 1949 ( 42 U.S.C. 1490r ), shall be determined in accordance with subsection (a) of such section 542. 228. Funding for multifamily technical improvements (a) Authorization of appropriations There is authorized to be appropriated to the Department of Agriculture $50,000,000 for fiscal year 2024, which shall be used to improve the technology of the Department of Agriculture that is used to process loans for multifamily housing and otherwise managing such housing. (b) Availability of funds The improvements authorized under subsection (a) shall be made during the 5-year period beginning upon the date that the amounts appropriated under such subsection are available. Such amounts shall remain available until the last day of such 5-year period. 229. Plan for preserving affordability of rental projects (a) Plan Not later than 6 months after the date of the enactment of this Act, the Secretary of Agriculture (referred to in this section as the Secretary ) shall submit a written plan to Congress for preserving the affordability for low-income families of rental projects for which loans were made under section 514 or 515 of the Housing Act of 1949 (42 U.S.C. 1484 and 1485) and avoiding the displacement of tenant households. Such plan shall— (1) set forth specific performance goals and measures