; (2) $713,000,000 for fiscal year 2026; (3) $747,000,000 for fiscal year 2027; (4) $783,000,000 for fiscal year 2028; and (5) $820,000,000 for fiscal year 2029. . 302. Effect of undisbursed block grant amounts on annual allocations (a) In General Title III ( 25 U.S.C. 4151 et seq. ) is amended by adding at the end the following new section: 303. Effect of undisbursed grant amounts on annual allocations (a) Notification of obligated, undisbursed grant amounts Subject to subsection (d) of this section, if on October 1, 2025, or on any October 1 thereafter, the total amount of undisbursed block grants for a recipient in the line of credit control system (or a successor system) of the Department of Housing and Urban Development is greater than the sum of the initial allocations for the previous 3 fiscal years, the Secretary shall— (1) before October 31 of such year, notify the Indian tribe allocated the grant amounts and any tribally designated housing entity for the tribe of the undisbursed funds; and (2) require the recipient for the tribe to, not later than 30 days after the Secretary provides notification pursuant to paragraph (1)— (A) notify the Secretary in writing of the reasons why the recipient has not requested the disbursement of such amounts