party documentation to establish their eligibility under 42 U.S.C. 11302(a) or (b) to receive services: Provided further , That unaccompanied youth aged 24 and under or families headed by youth aged 24 and under who are living in unsafe situations may be served by youth-serving providers funded under this heading. Housing programs Project-based rental assistance For activities and assistance for the provision of project-based subsidy contracts under the United States Housing Act of 1937 ( 42 U.S.C. 1437 et seq.) ( the Act ), not otherwise provided for, $10,682,000,000, to remain available until expended, shall be available on October 1, 2017 (in addition to the $400,000,000 previously appropriated under this heading that became available October 1, 2017), and $400,000,000, to remain available until expended, shall be available on October 1, 2018: Provided , That the amounts made available under this heading shall be available for expiring or terminating section 8 project-based subsidy contracts (including section 8 moderate rehabilitation contracts), for amendments to section 8 project-based subsidy contracts (including section 8 moderate rehabilitation contracts), for contracts entered into pursuant to section 441 of the McKinney-Vento Homeless Assistance Act ( 42 U.S.C. 11401 ), for renewal of section 8 contracts for units in projects that are subject to approved plans of action under the Emergency Low Income Housing Preservation Act of 1987 or the Low-Income Housing Preservation and Resident Homeownership Act of 1990, and for administrative and other expenses associated with project-based activities and assistance funded under this paragraph: Provided further , That amounts recaptured under this heading, the heading Annual Contributions for Assisted Housing , or the heading Housing Certificate Fund , may be used for renewals of or amendments to section 8 project-based contracts, notwithstanding the purposes for which such amounts were appropriated: Provided further , That, notwithstanding any other provision