63 STAT.] 81ST CONG. , IST SESS.-CH. 279-JUNE 29, 1949 1949 and 1950 from fees collected from such new meters or devices, which fees are hereby appropriated for such purpose, until such time as contracts of purchase obligated during the fiscal years 1949 and 1950 have been paid, and thereafter such new meters or devices shall become the property of the Government of the District of Columbia and all fees collected from such new meters or devices shall be deposited to the credit of the highway fund: Provided further, That the Com- missioners are authorized and directed to designate, reserve, and properly mark appropriate and sufficient parking spaces on the streets adjacent to all public buildings in the District for the use of Members of Congress engaged on public business: Provided further, That the incumbent on July 1, 1944, of the authorized position of Registrar of Titles and Tags, whose duties shall be as prescribed in the District of Columbia Appropriation Act, 1945, shall hereafter be continued for compensation purposes in grade 9 of the clerical, administrative, and fiscal service under the Classification Act of 1923, as amended. Division of Trees and Parking (payable from highwiay fund): For necessary expenses for the Division of Trees and Parking, $212,500. Reimbursement of other appropriations (payable from highway fund) : There are hereby authorized to be paid from the highway fund to other appropriations for the District of Columbia the following sums: $9,775 to "General administration" (Office of Corporation Counsel); $46,088 to "Fiscal service" (Collector's Office, $28,843; Auditor's Office, $12,720; Purchasing Division, $4,525); $4,000 to "Salaries and expenses, Office of Chief Clerk"; $8,985 to "Operating expenses, Office of Superintendent of District Buildings"; $2,028 to "Operating expenses, Electrical Division"; $976,222 to "Metropolitan Police"; and $25,000 to "National Capital Parks"; in all, $1,072,098. Refunding erroneous collections (payable from highway fund): To enable the Commissioners to refund collections erroneously covered into the Treasury during the present and past three fiscal years to the credit of the highway fund, $1,500: Provided,That this appropriation shall not be available for refunds authorized by section 10 of the Act of April 23, 1924. Operating expenses, Division of Sanitation: For expenses necessary for collection and disposal of refuse and street cleaning, including repair and maintenance of plants, buildings, and grounds; and fencing of public and private property designated by the Commissioners as public dumps; $3,351,700: Provided,That this appropriation shall not be available for collecting ashes or miscellaneous refuse from hotels and places of business or from apartmenlt houses of four or more apart- ments having a central heating system, or from any building or con- nected group of buildings operated as a rooming, boarding, or lodging house having a total of more than twenty-five rooms. Capital outlay, Division of Sanitation: For completing construction of refuse transfer station and a garage and shops building, $400,000. Operating expenses, Sewer Division: For expenses necessary for operating the District's system of sewage disposal; cleaning and repairing sewers and basins; operation and maintenance of the sewage pumping service and sewage treatment plant, including repairs to equipment, machinery, and structures; maintenance of public con- venience stations; control and prevention of the spread of mosquitoes in the District of Columbia; and for contribution of the District of Columbia to the expenses of the Interstate Commission on the Potomac River Basin in accordance with Act of July 11, 1940 (54 Stat. 748), $7,200; $1,192,190. Capital outlay, Sewer Division: For construction of sewers and receiving basins; for assessment and permit work; for purchase or condemnation of rights-of-way for construction, maintenance, and 319 Parking spaces for Members of Congress. Registrar of Titles and Tags. 58 Stat. 527. D. C . Code, Supp. VII, § 40-603a. 42 Stat. 1488. 5U. . C . §§ 661-674; Supp. II, §662 et seq. Post, p. 972. 43 Stat. 108 . D.C. Code §47-1910. Collection of refuse from hotels, etc. Interstate Commis- sion on the Potomac River Basin. 33 U. S. C. §567b.