41 U.S.C. § 2309

1. (a)A contractor may not be required, as a condition for entering into a contract with the Federal Government, to waive a right under the Constitution for a purpose relating to the Chemical Weapons Convention Implementation Act of 1998 (22 U.S.C. 6701 et seq.) or the Chemical Weapons Convention (as defined in section 3 of that Act (22 U.S.C. 6701)).
2. (b)Subsection (a) does not prohibit an executive agency from including in a contract a clause that requires the contractor to permit inspections to ensure that the contractor is performing the contract in accordance with the provisions of the contract.