; and (K) information about how the subgrants helped to stabilize the child care sector. (4) Reports to Congress (A) Findings from initial reports Not later than 60 days after receiving all reports required to be submitted under paragraph (1), the Secretary shall provide a report to the Committee on Education and Labor of the House of Representatives, to the Committee on Health, Education, Labor and Pensions of the Senate, and to the Committees on Appropriations of the House of Representatives and the Senate, summarizing the findings from the reports received under paragraph (1). (B) Findings from final reports Not later than 36 months after the date of enactment of this Act, the Secretary shall provide a report to the Committee on Education and Labor of the House of Representatives, to the Committee on Health, Education, Labor and Pensions of the Senate, and to the Committees on Appropriations of the House of Representatives and the Senate, summarizing the findings from the reports received under paragraph (3). (g) Supplement not supplant Amounts made available to carry out this section shall be used to supplement and not supplant other Federal, State, and local public funds expended to provide child care services for eligible individuals, including funds provided under the Child Care and Development Block Grant Act of 1990 ( 42 U.S.C. 9857 et seq.) and State child care programs. (h) Reallotment of unobligated funds (1) Unobligated funds A State, Indian tribe, or tribal organization that anticipates being unable to obligate all grant funds received under this section by September 30, 2022 shall notify the Secretary, at least 60 days prior to such date, of the amount of funds it anticipates being unable to obligate by such date. A State, Indian tribe, or tribal organization shall return to the Secretary any grant funds received under this section that the State, Indian tribe, or tribal organization does not obligate by September 30, 2022. (2) Reallotment The Secretary shall award new allotments and payments, in