39 U.S.C. § 2201Section
§ 2201. No postal equipment or supplies manufactured by convict labor
Except as provided in chapter 307 of title 18, the Postal Service may not make a contract for the purchase of equipment or supplies to be manufactured by convict labor.
(Pub. L. 91–375, Aug. 12, 1970, 84 Stat. 742.)
