Combinations to prevent bids for carrying the mail

§ 6421. Combinations to prevent bids for carrying the mail The Postmaster General may not make a contract for transportation of mail with a person who— (1) enters, or proposes to enter, into a combination to prevent the making of a bid for transportation of mail; or (2) makes an agreement, or gives or performs, or promises to give or perform, any consideration whatever to induce another person not to bid for the contract. The Postmaster General may annul the contract of any contractor so offending. For the first offense the person shall be disqualified for five years to contract for transporting mail, and for the second offense shall be disqualified forever.