合同的无效 meaning in English

contract invalidity
invalidity of a contract

The voidness of an economic contract shall be confirmed by the people ' s courts or the arbitration agencies
经济合同的无效。中级人民法院或者仲裁机构确认。
The invalidity of a labour contract shall confirmed by a labour dispute arbitration committee or a people ' s court
劳动合同的无效，由劳动争议仲裁委员会或者人民法院确认。
From a relative case , the author holds that insurance interests is needed while concluding the contract . it is unnecessary for the insured to have interests when the accident of the insurance happens
关于存在的时间,笔者通过对一具体案例的分析,得出人身保险利益只需在订立合同时存在,合同存续期间对人身保险利益的丧失并不必然导致人身保险合同的无效。