71
STAT.]
PUBLIC LAW 85-61-JUNE 27, 1957
201
patriotic, civic, and recreational functions held in the parks, including the President's Cup Regatta, and expenses incident to the conducting of band concerts in the parks; such expenses to include pay and allowances of the United States Park Police force; per diein employees at rates of pay approved by the Secretary of the Interior, not exceeding current rates of pay for similar employment in the District of Columbia; uniforming and equipping the United States P a r k Police force; the purchase, issue, operation, maintenance, repair, exchange, and storage of revolvers, uniforms, ammunition, and radio equipment and the rental of teletype service; and the purchase of passenger motor vehicles, bicycles, motorcycles, and self-propelled machinery; the hire of draft animals, with or without drivers at local rates approved by the Secretary of the Interior; the purchase and maintenance of draft animals, harness, and wagons; $2,750,000, of which $25,000 shall be payable from the highway fund: Provided., That not to exceed $15,000 of the amount herein appropriated may be expended for the erection of minor auxiliary structures: Provided further., That funds appropriated under or transferred to this head for services rendered by the National Park Service shall be advanced to said Service and shall be credited as a repayment and maintained in a special account. The amounts so advanced will be available for the objects specified herein or in the appropriation from which such funds are transferred, any unexpended balance to be returned to the appropriation concerned not later than two full fiscal years after the close of the current fiscal year. NATIONAL ZOOLOGICAL PARK
National Zoological Park, including erecting and repairing buildings; care and improvement of grounds; travel, including travel for the procurement of live specimens; purchase, care, and transportation of specimens; purchase of motorcycles; revolvers and ammunition; purchase of uniforms and equipment for police, and uniforms for keepers and assistant keepers; $784,000: Provided., That funds appropriated under this head shall be advanced to the National Zoological P a r k and shall be credited as a repayment and maintained in a special account. The amounts so advanced will be available for the objects herein specified, any unexpended balance to be returned to this appropriation not later than two full fiscal years after the close of the current fiscal year. PERSONAL SERVICES, WAGE SCALE EMPLOYEES
For pay increases and related retirement costs for wage-scale employees, to be transferred by the Commissioners to the appropriations and funds from which the employees are properly payable, $1,162,500 of which $142,000 shall be payable from the highway fund, $101,600 from the water fund, and $56,400 from the sanitary sewage works fund. CAPITAL OUTLAY DISTRICT DEBT SERVICE
For reimbursement to the United States of funds loaned in compliance with section 4 of the Act of May 29, 1930 (46 Stat. 482), as amended, the Act of August 7, 1946 (65 Stat. 657), as amended, the Act of May 14, 1948 (62 Stat. 235), and section 108 of the Act of May io?to'^ii5i°os* ^^" 18, 1954 (68 Stat. 103), including interest as required thereby, ^RQ^- code 43$572,000, of which $212,000 shall be payable from the water fund.
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