; or (III) other additions that do not require demolition of an existing home on a given unit of land. (B) Incentivizing the development of single-room occupancy multifamily housing and accessory dwelling units through expedited permitting, reduced fees, or other incentives. (C) Not imposing a minimum lot size or minimum unit square-foot requirements. (D) Incentivizing the development of commercial property into residential housing. (E) Eliminating or lowering requirements for per-unit parking spots. (F) Allowing increased floor area ratios. (G) Eliminating or raising height limits on development to encourage building vertically rather than horizontally. (H) Waiving or eliminating fees or permits for development in exchange for the development of a larger number of units that are affordable to low-income people. (5) Regulations The Secretary may promulgate any regulations necessary to carry out this subsection. (6) Authorization of appropriations There are authorized to be appropriated to carry out this subsection $4,000,000,000 for each of fiscal years 2023 through 2028. 115. Permanent authorization of appropriations for McKinney-Vento Homeless Assistance Act grants Section 408 of the McKinney-Vento Homeless Assistance Act ( 42 U.S.C. 11364 ) is amended to read as follows: 408. Authorization of appropriations There are authorized to be appropriated to carry out this title such sums as may be necessary for each fiscal year. . B Rural housing assistance 121. Rural housing reinvestment (a) Definitions In this section: (1) Broad-based nonprofit organization The term broad-based nonprofit organization means a nonprofit organization that has a membership that reflects a variety of interests in the area in which housing assisted under this section will be located. (2) Covered program The term covered program means— (A) the Very Low-Income Housing Repair Loans and Grants Program under section 504 of the Housing Act of 1949 ( 42 U.S.C. 1474 )