A waiver of the administrative contract is a legal act that would bring non-original contractor in the performance of its obligations and replace gained rights arising from the contract between him and the point of administration. It features a waiver of other similar images to him, that the assignee becomes a party is directly responsible to the new administration and the waiver of the contract multiple images, it responds to the same contract, or the rights associated with the existence of the contract, or the rights associated with the implementation of the contract.