48 CFR 23.501 - Applicability.
This subpart applies to contracts, including contracts with 8(a) contractors under FAR subpart 19.8 and modifications that require a justification and approval (see subpart 6.3), except contracts -
(a) At or below the simplified acquisition threshold; however, the requirements of this subpart apply to all contracts of any value awarded to an individual;
(b) For the acquisition of commercial items (see part 12);
(d) By law enforcement agencies, if the head of the law enforcement agency or designee involved determines that application of this subpart would be inappropriate in connection with the law enforcement agency's undercover operations; or
(e) Where application would be inconsistent with the international obligations of the United States or with the laws and regulations of a foreign country.