costs due to extraordinary circumstances or that, despite taking reasonable cost savings measures, as determined by the Secretary, would otherwise be required to terminate rental assistance for families as a result of insufficient funding: Provided further , That the Secretary shall allocate amounts provided in the preceding proviso based on need, as determined by the Secretary: Provided further , That for any amounts provided under this heading in prior Acts for tenant-based rental assistance contracts, including necessary administrative expenses, under section 811 of the Cranston-Gonzalez National Affordable Housing Act ( 42 U.S.C. 8013 ) that remain available for this purpose after funding renewals and administrative expenses, the Secretary shall award no less than 50 percent of the remaining amounts for the same purpose within 60 days of enactment of this Act: Provided further , That the Secretary may waive, or specify alternative requirements for, any provision of any statute or regulation that the Secretary administers in connection with the use of the amounts made available under this heading and the same heading of Public Law 116–94 (except for requirements related to fair housing, nondiscrimination, labor standards, and the environment), upon a finding by the Secretary that any such waivers or alternative requirements are necessary for the safe and effective administration of these funds to prevent, prepare for, and respond to coronavirus: Provided further , That the Secretary shall notify the public through the Federal Register or other appropriate means to ensure the most expeditious allocation of this funding of any such waiver or alternative requirement in order for such waiver or alternative requirement to take effect, and that such public notice may be provided at a minimum on the Internet at the appropriate Government web site or through other electronic media, as determined by the Secretary: Provided further , That any such waivers or alternative requirements shall remain in effect for the time