The agency may authorize advance payments in negotiated and sealed bid contracts if the action is appropriate under -
(a) Section 305 of the Federal Property and Administrative Services Act of 1949 (41 U.S.C. 255);
(b) The Armed Services Procurement Act (10 U.S.C. 2307); or
(c) Pub.L.85-804 (50 U.S.C. 1431-1435) and Executive Order 10789, November 14, 1958 (3 CFR 1958 Supp. pp. 72-74) (see Subpart 50.1 of the Federal Acquisition Regulation (FAR) for other applications of this statute).