; or (3) to create a program, project, or activity pursuant to subsection (a)(1), including any new function or requirement within any program, project, or activity, not approved by Congress in the consideration of the enactment of this Act. (e) The notification thresholds and procedures set forth in subsections (a), (b), (c), and (d) shall apply to any use of deobligated balances of funds provided in previous Department of Homeland Security Appropriations Acts that remain available for obligation in the current year. (f) Notwithstanding subsection (c), the Secretary of Homeland Security may transfer to the fund established by 8 U.S.C. 1101 note, up to $20,000,000 from appropriations available to the Department of Homeland Security: Provided , That the Secretary shall notify the Committees on Appropriations of the House of Representatives and the Senate at least 5 days in advance of such transfer. 504. (a) Section 504 of the Department of Homeland Security Appropriations Act, 2017 (division F of Public Law 115–31 ), related to the operations of a working capital fund, shall apply with respect to funds made available in this Act in the same manner as such section applied to funds made available in that Act. (b) Funds from such working capital fund may be obligated and expended in anticipation of reimbursements from components of the Department of Homeland Security. 505. (a) Except as otherwise specifically provided by law, not to exceed 50 percent of unobligated balances remaining available at the end of fiscal year 2024, as recorded in the financial records at the time of a reprogramming notification, but not later than June 30, 2025, from appropriations for Operations and Support for fiscal year 2024 in this Act shall remain available through September 30, 2025, in the account and for the purposes for which the appropriations were provided. (b) Prior to the obligation of such funds, a notification shall be submitted to the Committees on Appropriations of the House of Representatives and the Senate in accordance