; (2) for vouchers that were not in use during the previous 12-month period in order to be available to meet a commitment pursuant to section 8(o)(13) of the Act; (3) for adjustments for costs associated with HUD-Veterans Affairs Supportive Housing (HUD–VASH) vouchers; (4) for public housing agencies 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; and (5) for public housing agencies that have experienced increased costs or loss of units as a result of a Presidentially declared disaster: Provided further , That the Secretary shall allocate amounts under the previous proviso based on need, as determined by the Secretary