22 U.S.C. § 6712
No abridgement of constitutional rights
No person may be required, as a condition for entering into a contract with the United States or as a condition for receiving any benefit from the United States, to waive any right under the Constitution for any purpose related to this chapter or the Convention.
( Pub. L. 105–277, div. I, title I, § 102 , Oct. 21, 1998 , 112 Stat. 2681–861 .)