Legal basis: People's Republic of China (PRC) Labor Law.
Article 16 A labor contract is an agreement between a laborer and an employer to establish a labor relationship and clarify the rights and obligations of both parties. To establish labor relations, a labor contract shall be concluded.
Article 17 The conclusion and modification of labor contracts shall follow the principles of equality, voluntariness and consensus through consultation, and shall not violate the provisions of laws and administrative regulations. After a labor contract is concluded in accordance with the law, it is legally binding, and the parties must fulfill their obligations under the labor contract.