A labor contract is invalid only if it is signed by the legal representative. The text of the labor contract shall come into effect only after the employer and the employee sign or seal it. If only one party signs or seals it, the contract has not come into effect yet. Legal objectivity:

Article 16 of the Labor Contract Law of the People's Republic of China * * * A labor contract shall come into effect after the employer and the employee reach an agreement through consultation. The text of the labor contract shall be held by the employer and the employee respectively. Article 17 of the Labor Contract Law of the People's Republic of China shall contain the following clauses: (1) the name, domicile and legal representative or principal responsible person of the employing unit; (2) The name and address of the laborer and the number of the resident identity card or other valid identity documents; (3) The term of the labor contract; (4) Work content and work place; (five) working hours and rest and vacation; (6) Labor remuneration; (7) Social insurance; (eight) labor protection, working conditions and occupational hazard protection; (nine) other matters that should be included in the labor contract as stipulated by laws and regulations. In addition to the necessary clauses stipulated in the preceding paragraph, the employer and the employee may agree on probation, training, keeping secrets, supplementary insurance and welfare benefits.