Legal basis: Civil Code of People's Republic of China (PRC).
Article 463 This Chapter regulates civil relations arising from contracts.
Article 464 A contract is an agreement between civil subjects to establish, change or terminate a civil legal relationship. Agreements on status relations such as marriage, adoption and guardianship shall be governed by legal provisions on such status relations; If there are no provisions, the provisions of this part can be applied according to their nature.
Article 465 A lawfully formed contract shall be protected by law. A legally established contract is legally binding only on the parties, except as otherwise provided by law.
Article 490 Where the parties conclude a contract in the form of a contract, the contract is formed when the parties sign, seal or fingerprint it. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it. A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.