48 CFR §252.101
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
(b) Numbering. (2) Provisions or clauses that supplement the FAR.
(ii)
(B) DFARS provisions or clauses use a four digit sequential number in the 7000 series, e.g., -7000, -7001, -7002. Department or agency supplemental provisions or clauses use four digit sequential numbers in the 9000 series.