60 STAT.] 79TH CONG. , 2D SESS.-CHS. 582, 583-JULY 16, 1946 SEC. 3 . The Board is authorized to make and enforce rules and regulations governing admission to and use and enjoyment of said nurseries and nursery schools, including the fixing of fees to be charged parents for care and maintenance therein of their children; which fees shall, as near as practicable, reimburse the District of Columbia its costs for personal services, labor, food, and supplies in the operation and maintenance of such nurseries and nursery schools: Provided,That the Board may, in cases where parents are unable to pay for such care, waive all or part of such fees. All fees collected under the pro- visions of this Act shall be paid to the Collector of Taxes of the District of Columbia and deposited in the Treasury of the United States to the credit of the revenues of the District of Columbia. SEC. 4 . There is authorized to be appropriated out of any moneys in the Treasury of the United States to the credit of the District of Columbia, not otherwise appropriated, such sums as may be necessary, not to exceed $500,000, to carry out the purposes of this Act. SEC. 5 . Sections 2 and 3 of the Act entitled "An Act to amend the District of Columbia Appropriation Act, 1943, so as to authorize the use of public-school buildings in the District of Columbia as and for day nurseries and nursery schools, and for other purposes", approved December 22, 1942 (Public Law 827, Seventy-seventh Congress), are hereby repealed. This section shall take effect July 1, 1946. Approved July 16, 1946. [CHAPTER 583] AN ACT Making appropriations for the Military Establishment for the fiscal year ending June 30, 1947, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the following sums are appropriated, out of any money in the Treasury not other- wise appropriated, for the Military Establishment for the fiscal year ending June 30, 1947, and for other purposes namely: MILITARY ACTIVITIES OFFICE OF THE SECRETARY OF WAR CONTINGENCIES OF THE ARMY For all emergencies and extraordinary expenses arising in the War Department or any of its subordinate bureaus or offices in the District of Columbia, or in the Army at large, but impossible to be anticipated or classified, including personal services, the purchase of lawbooks, books of reference, subscriptions to newspapers and period- icals; the actual and necessary expenses or per diem in lieu thereof, as may be determined and approved by the Secretary of War, of military and civilian personnel in and under the Military Establish- ment on special duty in foreign countries; and for examination of estimates of appropriations and of military activities in the field, to be expended on the approval or authority of the Secretary of War, and for such purposes as he may deem proper, and his determination thereon shall be final and conclusive upon the accounting officers of the Government, and payments from this appropriation may, in the dis- cretion of the Secretary of War, be made on his certificate that the expenditures were necessary for confidential military purposes; $14,480,300. 541 Rules and regula- tions. Fees. Waiver of fee. Appropriation au- thorized. Post, p. 615. Repeal. 56 Stat. 1072. D. C . Code, Supp. V, §i 31-810, 31-811 . Effective date. July 16, 1946 [H. R. 6837 [Public Law 5151 Military Appropri- ation Act, 1947. Post, pp. 595, 623, 916. Special duty in for- eign countries.