and assistance authorized under title I of the Native American Housing Assistance and Self-Determination Act of 1996 (“NAHASDA”) ( 25 U.S.C. 4111 et seq.), title I of the Housing and Community Development Act of 1974 ( 42 U.S.C. 5301 et seq.) with respect to Indian tribes, and related training and technical assistance, $835,000,000, to remain available until September 30, 2025, unless otherwise specified: Provided , That the amounts made available under this heading are provided as follows: (1) $646,000,000 shall be for the Native American Housing Block Grants program, as authorized under title I of NAHASDA: Provided , That, notwithstanding NAHASDA, to determine the amount of the allocation under title I of such Act for each Indian tribe, the Secretary shall apply the formula under section 302 of such Act with the need component based on single-race census data and with the need component based on multi-race census data, and the amount of the allocation for each Indian tribe shall be the greater of the two resulting allocation amounts: Provided further , That the Secretary shall notify grantees of their formula allocation not later 60 days after the date of enactment of this Act