§ 4593.
Payments under this chapter may be made in advance or by way of reimbursement and in such installments as the Secretary may determine.
([Pub. L. 91–616, title VI, § 603], formerly title V, § 503, Dec. 31, 1970, [84 Stat. 1855], renumbered [Pub. L. 94–371, § 7], July 26, 1976, [90 Stat. 1038].)