48 C.F.R. § 52.223-4
52.223-4 Recovered Material Certification.
As prescribed in 23.109(b)(1), insert the following provision:
As required by the Resource Conservation and Recovery Act of 1976 (42 U.S.C. 6962(c)(3)(A)(i)), the offeror certifies, by signing this offer, that the percentage of recovered materials content for EPA-designated items to be delivered or used in the performance of the contract will be at least the amount required by the applicable contract specifications or other contractual requirements.