; application (A) In general Amounts in the Reimbursement Fund shall be available to the Secretary of Homeland Security, without further appropriation, to reimburse border States for expenditures incurred by such States relating to border security enforcement measures. (B) Application Not later than 30 days after the beginning of any fiscal year beginning in fiscal year 2025, a border State may apply to the Secretary to receive amounts from the Reimbursement Fund by submitting receipts, in such form and manner as the Secretary deems appropriate, of expenditures relating to border security enforcement measures made during the immediately preceding fiscal year. (C) Amount The Secretary shall promptly distribute from the Reimbursement Fund, to any border State that submits an application under subparagraph (B), an amount equal to the proportion that the amount expended by such a border State in the applicable immediately preceding fiscal year bears to the total amount expended in such fiscal year by all such border States so submitting an application. (D) Border security enforcement measures In this subparagraph, an expenditure by a border State shall be deemed to be related to border security enforcement measures if that expenditure directly or indirectly was used for the mission of deterring unlawful crossings, detecting unlawful activity and entry into the United States, or for gaining operational control of the southwest border. (c) Border Security Trust Fund (1) In general There is established in the Treasury a trust fund, to be known as the Border Security Trust Fund (in this section referred to as the Security Fund ), consisting of amounts transferred under paragraph (2) and any amounts credited under paragraph (3). (2) Transfers In fiscal year 2025 and each fiscal year thereafter, the Secretary of the Treasury shall transfer to the Security Fund, from the general fund of the Treasury, an amount equal to fifty percent of the total amount of remittance fees collected under subsection (g)(2) of section 920 of