; and (ii) may make multiple subgrants to a qualified child care provider, if the lead agency makes each subgrant individually for 1 child care program operated by the provider and the funds from the multiple subgrants are not pooled for use for more than 1 of the programs. (2) Role of third party The lead agency may designate a third party, such as a child care resource and referral agency, to carry out the responsibilities of the lead agency, and oversee the activities conducted by qualified child care providers under this subsection. (3) Obligation and return of funds (A) Obligation (i) In general The lead agency shall obligate at least 50 percent of the grant funds in the portion described in paragraph (1)(A) for subgrants to qualified child care providers by the day that is 6 months after the date of enactment of this Act. (ii) Waivers At the request of a State, Indian tribe, or tribal organization, and for good cause shown, the Secretary may waive the requirement under clause (i) for the State, Indian tribe, or tribal organization. (B) Return of funds Not later than the date that is 12 months after a grant is awarded to a lead agency in accordance with this section, the lead agency shall return to the Secretary any of the grant funds that are not obligated by the lead agency by such date. The Secretary shall return any funds received under this subparagraph to the Treasury of the United States. (4) Subgrants (A) In general A lead agency that receives a grant under subsection (c) shall make subgrants to qualified child care providers to assist in paying for fixed costs and increased operating expenses, for a transition period of not more than 9 months, so that parents have a safe place for their children to receive child care as the parents return to the workplace. (B) Use of funds A qualified child care provider may use subgrant funds for— (i) sanitation and other costs associated with cleaning the facility, including deep cleaning in the case of an outbreak of COVID–19, of a child care program used to