(a) Sealed bidding shall be used whenever the conditions in 6.401(a) are met. This requirement applies to any proposed contract action under part 6.

(b) Sealed bidding may be used for classified acquisitions if its use does not violate agency security requirements.

(c) The policy for pricing modifications of sealed bid contracts appears in 15.403-4(a)(1)(iii).

[48 FR 42171, Sept. 19, 1983, as amended at 50 FR 1737, Jan. 11, 1985; 50 FR 52429, Dec. 23, 1985; 62 FR 51270, Sept. 30, 1997; 67 FR 6114, Feb. 8, 2002; 68 FR 43856, July 24, 2003]