Provided further , That revenues and collections and any other sums accruing to this Fund during fiscal year 2019, excluding reimbursements under 40 U.S.C. 592(b)(2) , in excess of the aggregate new obligational authority authorized for Real Property Activities of the Federal Buildings Fund in this Act shall remain in the Fund and shall not be available for expenditure except as authorized in appropriations Acts. general activities government-wide policy For expenses authorized by law, not otherwise provided for, for Government-wide policy and evaluation activities associated with the management of real and personal property assets and certain administrative services