48 CFR §1331.205-70
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The Department will not pay any costs for work that is duplicative of costs charged against any other contract, subcontract or Government source. Insert clause 1352.231-71, Duplication of Effort, in all cost-reimbursement, time and materials, and labor hour solicitations and contracts when applicable.