(a) All moneys of the Administration not otherwise employed may be deposited with the Treasury of the United States subject to check by authority of the Administration. The Federal Reserve banks are authorized and directed to act as depositaries, custodians, and fiscal agents for the Administration in the general performance of its powers conferred by this chapter. Any banks insured by the Federal Deposit Insurance Corporation, when designated by the Secretary of the Treasury, shall act as custodians and financial agents for the Administration. Each Federal Reserve bank, when designated by the Administrator as fiscal agent for the Administration, shall be entitled to be reimbursed for all expenses incurred as such fiscal agent.

(b) The Administrator shall contribute to the employees' compensation fund, on the basis of annual billings as determined by the Secretary of Labor, for the benefit payments made from such fund on account of employees engaged in carrying out functions financed by the revolving fund established by section 633(c) of this title. The annual billings shall also include a statement of the fair portion of the cost of the administration of such fund, which shall be paid by the Administrator into the Treasury as miscellaneous receipts.