34 C.F.R. § 222.5
(a) An LEA may amend its application following any of the events described in § 222.3(b)(1) by submitting a written request to the Secretary and a copy to its SEA no later than the earlier of the following events:
(b) The LEA also may amend its application based on actual data regarding eligible Federal properties or federally connected children if—
(2) The LEA submits a written request to the Secretary with a copy to its SEA no later than the end of the Federal fiscal year preceding the fiscal year for which the LEA seeks assistance.
(Authority: 20 U.S.C. 7705)
[80 FR 33162, June 11, 2015, as amended at 81 FR 64741, Sept. 20, 2016]