fiscal year 2021 for the liquidation of valid obligations incurred in fiscal years 2013 through 2015. (b) (1) This section shall become effective immediately upon enactment of this Act. (2) If this Act is enacted after September 30, 2020, this section shall be applied as if it were in effect on September 30, 2020. 172. Amounts made available by section 101 to the Department of Housing and Urban Development for Housing Programs—Housing for the Elderly may be apportioned up to the rate for operations necessary to— (1) maintain project rental assistance for the elderly under section 202(c)(2) of the Housing Act of 1959 ( 12 U.S.C. 1701q(2) ), including making amendments to contracts for such assistance and renewing expiring contracts for such assistance for up to a 1-year term