Appropriations Act, 1990 ( 15 U.S.C. 18a note), none of the funds credited to this account as offsetting collections in previous fiscal years that were unavailable for obligation as of September 30, 2023, shall become available for obligation except as provided in the preceding proviso: Provided further, That none of the funds made available to the Federal Trade Commission may be used to implement subsection (e)(2)(B) of section 43 of the Federal Deposit Insurance Act ( 12 U.S.C. 1831t ). General services administration REAL PROPERTY ACTIVITIES FEDERAL BUILDINGS FUND LIMITATIONS ON AVAILABILITY OF REVENUE (INCLUDING TRANSFERS OF FUNDS) Amounts in the Fund, including revenues and collections deposited into the Fund, shall be available for necessary expenses of real property management and related activities not otherwise provided for, including operation, maintenance, and protection of federally owned and leased buildings