Requirements of contracts let after competitive bidding

§ 6411. Requirements of contracts let after competitive bidding (a) Formal contracts for transportation of mail which are required to be made after advertising shall— (1) be awarded to the lowest responsible bidder with sufficient guarantee for faithful performance in accordance with the terms of the advertisement; and 74 Stat. 699 (2) require due celerity, certainty, and security in the performance of the service. (b) The Postmaster General may disregard the bid of a person who willfully or negligently failed to perform a former contract.