55 STAT.] 77TH CONG., 18 T SESS.-CH. 271-JULY 1, 1941 trict of Columbia shall further require that where repairs are neces- sary during the four years following the said one-year period, due to inferior work or defective materials, such repairs shall be made at the expense of the contractor, and the bond furnished by the contractor shall be liable for such expense. No part of the appropriations contained in this Act shall be used for the operation of a testing laboratory of the highways department for making tests of materials in connection with any activity of the District government. For personal services, trees, and parkings, $26,960. For contingent expenses, trees and parkings, including laborers, trimmers, nurserymen, repairmen, teamsters, hire of carts, wagons, or motortrucks, trees, tree boxes, tree stakes, tree straps, tree labels, planting and care of trees, and tree spaces on city and suburban streets, purchase and maintenance of non-passenger-carrying motor vehicles, printing and binding and miscellaneous items, $125,000. MAINTENANCE OF PARK ROADS For the maintenance of vehicular roads, public parks, $25,000, which amount shall be transferred to the appropriation contained in this Act for general expenses of public parks and be available solely for the maintenance of vehicular roads in such parks. REIMBURSEMENT OF DISTRICT OFFICES FOR ADMINISTRATIVE EXPENSES For administrative services rendered to the Departments of Motor Vehicles and Traffic, Highways, and Trees and Parkings, there is hereby authorized to be transferred sums from the special fund created by the Act entitled "An Act to provide for a tax on motor- vehicle fuels sold within the District of Columbia, and for other purposes", approved April 23, 1924, and the Act entitled "An Act to provide additional revenue for the District of Columbia, and for other purposes", approved August 17, 1937, to other appropriations, as follows: $4,525 to "Purchasing Division, Salaries, District of Columbia"; $5,298 to "District Buildings, Salaries, District of Columbia"; $3,542 to "District Buildings, Expenses, District of Columbia"; $4,555 to "Collector, Salaries, District of Columbia"; $12,720 to "Auditor Salaries, District of Columbia"; $9,775 to "Corporation Counsel, Salaries, District of Columbia"- and $2,028 to "Electrical Department, Expenses, District of Columbia"; in all $42,443. Refunding erroneous collections: To enable the Commissioners, in cases where motor-vehicle registration fees, motor-vehicle opera- tors' permit fees, motor-vehicle title fees, motor-vehicle fuel taxes, importers' license fees, special assessments, or collections of any char- acter have been erroneously covered into the Treasury to the credit of the special fund created by the Act entitled "An Act to provide for a tax on motor-vehicle fuels sold within the District of Columbia, and for other purposes", approved April 23, 1924, and the Act entitled "An Act to provide additional revenue for the District of Columbia, and for other purposes", approved August 17, 1937, to refund such erroneous payments, $1,500: Provided, That this appro- priation shall also be available for refunding such payments made within the last three fiscal years prior to the fiscal year for which this appropriation is made available: Provided further, That this appropriation shall not be available for refunds authorized by section 10 of the Act of April 23, 1924. 535 Use of funds for test- ing laboratory, etc. Trees and parkings. Post, p. 836. Transfer of funds. 1 43 Stat. 106; 50 Stat. 676. D. C. Code II 47- 1901 to 47-1916. Refunding errone- ous collections. 43 Stat. 106; 50 Stat. 676. D. C. Code II 47- 1901 to 47-1916. ProvSum. Availability of funds. Exception. 43 Stat. 108 . D.C.Codei47-1910.
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