In bilateral contract, contract party assumes obligation, mutual depend on sb or sth for existence, each other often is had to be the relation of cause and effect between square right and another obligation. What concern to assure benefit of the party in double Wu contract is fair, law made a provision: Party one party was not fulfilled in the other side or unwarrantable when fulfilling, one party is OK the reservation sex right of exercise nonperformance, this defies the the opposing party asks the counterplea that fulfill counterpoises namely. The contract fulfills medium contradictory authority to have the following kinds: Fulfill contradictory authority at the same time, fulfill contradictory authority, disturbed counterplea to counterpoise first.
Law is abused to avoid contradictory advantageous position, set different exercise requirement in the light of different contradictory advantageous position, if the party of the contract is undeserved,exercise counterplea counterpoises, make conduct of break a contact because of misconduct possibly, create legal risk to oneself. It is at the same time when authority of other exercise counterplea, also need accurate measure its counterplea to counterpoise to whether accord with legal clause, program, with safeguarding oneself rights and interests effectively. When asking according to the regulation in the other side travel discompose counterplea counterpoises, if hope to continue to fulfil a contract, also can assure appropriately through be being offerred to the other side the requirement restores to fulfill.
