54 STAT.] 76TH CONG. , 3D SESS.-CH. 71-MAR. 25 , 1940 priation during such fiscal year shall not exceed $4,000,000: Provided, That the proviso in the Act of June 16 1921 (31 U. S . C . 761), limit- ing the availability of this appropriation for expenses of operations on account of any public debt issue to the close of the fiscal year next following the fiscal year in which such issue was made, shall not apply to savings bond transactions handled by the Federal Reserve banks for account of the Secretary of the Treasury. Distinctive paper for United States securities: For distinctive paper for United States currency and Federal Reserve bank cur- rency, including transportation of paper, traveling, mill, and other necessary expenses, and salaries of employees and allowance, in lieu of expenses, of officer or officers detailed from the Treasury Depart- ment, not exceeding $50 per month each when actually on duty; in all, $800,000: Provided, That in order to foster competition in the manufacture of distinctive paper for United States securities, the Secretary of the Treasury is authorized, in his discretion, to split the award for such paper for the fiscal year 1941 between the two bidders whose prices per pound are the lowest received after advertisement. BUREAU OF CUSTOMS Salaries and expenses: For collecting the revenue from customs, for the detection and prevention of frauds upon the customs revenue, and not to exceed $100,000 for the securing of evidence of violations of the customs laws; for expenses of transportation and transfer of customs receipts from points where there are no Government deposi- tories; not to exceed $84,500 for allowances for living quarters including heat, fuel, and light, as authorized by the Act approved June 26, 1930 (5 U. S . C . 118a), but not to exceed $1,700 for any one person; not to exceed $500 for subscriptions to newspapers; not to exceed $2,000 for improving, repairing, maintaining, or preserving buildings, inspection stations, office quarters, including living quar- ters for officers, sheds, and sites along the Canadian and Mexican borders acquired under authority of the Act of June 26 1930 (19 U. S. C . 68); and including the purchase (not to exceed $87,500), exchange, maintenance, repair, and operation of motor-propelled passenger-carrying vehicles when necessary for official use in field work; $20,900,000, of which such amount as may be necessary shall be available for the payment of extra compensation earned by customs officers or employees for overtime services, at the expense of the parties in interest, in accordance with the provisions of section 5 of the Act approved February 13, 1911, as amended by the Act approved February 7, 1920, and section 451 of the Tariff Act, 1930 (19 U. S . C . 261, 267, and 1451): Provided, That the receipts from such parties in interest for such overtime services shall be deposited as a refund to the appropriation from which such overtime compensation is paid, in accordance with the provisions of section 524 of the Tariff Act of 1930 (19 U. S . C. 1524); for the cost of seizure, storage, and disposition of any merchandise, vehicle and team, automobile, boat, air or water craft, or any other conveyance seized under the provi- sions of the customs laws, for the purchase of arms, ammunition, and accessories, and $497,180 shall be available for personal services in the District of Columbia exclusive of ten persons from the field force authorized to be detailed under section 525 of the Tariff Act of 1930: Provided,That no part of this appropriation shall be expended for maintenance or repair of motor-propelled passenger-carrying vehicles for use in the District of Columbia except two for use in connection with the work of the customhouse in Georgetown. 59 Inapplicability to savings bond trans. actions. 42 Stat. 36 . Distinctive paper for U. S. securities. Proviso. Division of award. Salaries and ex- penses. Transfer of receipts from points lacking Government deposi- tories. Living quarters. 46 Stat. 818 . Quarters along borders. 46 Stat. 817. Vehicles. Overtime service at expense of parties in interest. 36 Stat. 901; 41 Stat. 402; 46 Stat. 715. 19 U. S. C., Supp. V, § 1461. Proisos. Deposit of receipts as refund to appro- priation. 46 Stat. 741. 19 U. S. C., Supp. V, § 1524. Cost of seizure, etc., under customs laws. Personal services. Details to D. C. from field service. 46 Stat. 741. 19U. S.C. 1526. Vehicle restriction.