75TH CONGRESS, 1sT SESSION-CH . 403-JUNE 29, 1937 sufficiently provided for, in the discretion of the Commissioners, $2,500 : Provided, That the certificate of the Commissioners shall be sufficient voucher for the expenditure of this appropriation for such purposes as they may deem necessary . REFUND OF E RRONEOUS COLLECTIONS To enable the Commissioners, in any case where special assess- ments, school tuition charges, payments for lost library books, rents, fees, or co llecti ons o f any chara cter have b een e rrone ously cover ed into the Treasury, to refund such erroneous payments, wholly or in part, including the refunding of fees paid for building permits authorized by the D istrict of Columbia Appropriation Act approved March 2, 1911 (36 Stat., p. 96 7), $3,000 : Provid ed, That this appro- priation shall be available for such refunds of payments made within the past three years . For payment of amounts collected by the District erroneousl y on account of taxes, fines, fees, and similar charges, which are returned to the respective parties who may have paid the same, $100,000 : Provided, That this appropriation shall be available for refund of such erroneous payments made within the past three years only . WHARVES For reconstruction, where necessary, and for maintenance and repair of wharves under the control of the Commissioners of the District of Columbia, in the Washington Channel of the Potomac River, $3,000 . REP AYM ENT OF LO AN FR OM PUB LIC WO RKS ADMINISTRATION For reimbursement to the United States, in compliance with section 3 of the Act approved June 25, 1934 (48 Stat ., p . 1215), of funds loaned under the authority of said Act, $1,000,000 : Provided, That during the fiscal year 1938 no greater sum shall be deposited in the Treasury of the United States to the credit of the special account established under section 3 of said Act than is required by said section for reimbu rseme nt to the U nited State s . FREE PUBLIC LIBRARY For personal services, and for substitutes and other special and temporary services, including extra services on Sundays, holidays, and Saturday half holidays, at the discretion of the librarian, $380 .010 . Miscellaneous : For books, periodicals, newspapers, and other printed material, including payment in advance for subscription books, and society publications, $84,500 : Provided, That the disburs- ing officer of the District of Columbia is authorized to advance to the librarian of the free Public Library, upon requisition previously approved by the auditor of the District of Columbia, sums of money not exceeding $25 at the first of each month, to be expended for the purchase of certain books, pamphlets, numbers of periodicals or news- papers, or other printed material, and to be accounted for on itemized vouchers . For binding, including necessary personal services, $20,000 . F or mai ntena nce, a ltera tions , repa irs, fuel, light ing, fitting up buildings, care of grounds, maintenance of motor delivery vehicles, and other contingent expenses, including not to exceed $800 for purchase and exchange of one motor delivery vehicle, $36,000 . Proviso. Voucher for expend- iture. Refund of erroneous col lect ions . Payments author- ized . Building permits. 36 Stat. 967. Proviso . Availab ility . Erroneously collect. ed taxes, fines, etc . Proviso. Availab ility . Wharves . Rec ons tru cti on, maintenance, etc . 365 Loan from Public Works Administra- tion . Reimbursement . 48 Stat.1215. Proviso. Amount of deposit, 1938. Free Public Library . Person al servic es . Miscellaneous . Proviso . Adva nces for pur- chases of books, etc . Accounting . Bind ing . Contingent ex- pen ses.
