Federal Acquisition Regulation
General
FAR 14.103-1
(a) Sealed bidding shall be used whenever the conditions in Sealed bidding and competitive proposals (FAR 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 contract appears in 15.403-4 (a)(1)(iii).