housing, $678,000,000 to remain available until September 30, 2022: Provided , That of the amount provided under this heading, up to $90,000,000 shall be for service coordinators and the continuation of existing congregate service grants for residents of assisted housing projects: Provided further , That amounts under this heading shall be available for Real Estate Assessment Center inspections and inspection-related activities associated with section 202 projects: Provided further , That the Secretary may waive the provisions of section 202 governing the terms and conditions of project rental assistance, except that the initial contract term for such assistance shall not exceed 5 years in duration: Provided further , That upon request of the Secretary of Housing and Urban Development, project funds that are held in residual receipts accounts for any project subject to a section 202 project rental assistance contract, and that upon termination of such contract are in excess of an amount to be determined by the Secretary, shall be remitted to the Department and deposited in this account, to be available until September 30, 2022: Provided further , That amounts deposited in this account pursuant to the previous proviso may be available, in addition to the amounts otherwise provided by this heading, for amendments and renewals: Provided further , That unobligated balances, including recaptures and carryover, remaining from funds transferred to or appropriated under this heading shall be available for amendments and renewals notwithstanding the purposes for which such funds originally were appropriated. Housing for persons with disabilities For amendments to capital advance contracts for supportive housing for persons with disabilities, as authorized by section 811 of the Cranston-Gonzalez National Affordable Housing Act ( 42 U.S.C. 8013 ), as amended, and for project rental assistance for supportive housing for persons with disabilities under section 811(d)(2) of such Act and for project assistance contracts