When signing a contract, both parties usually need to sign it. If the parties conclude a contract in the form of a contract, the contract shall be established when both parties sign or seal it. If the parties conclude a contract by letter or data message, they may request to sign a letter of confirmation before the contract is established, and the contract is established when the letter of confirmation is signed.

legal ground

Article 490 of the Civil Code

If the parties enter into a contract in the form of a contract, the contract shall be established when the parties sign, seal or press their fingerprints. 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.

Article 49 1

The parties conclude a contract by means of letters, data messages, etc. It is also required to sign a confirmation letter, and the contract is established when the confirmation letter is signed.

If the information of a commodity or service released by one party through information networks such as the Internet meets the conditions of the offer, the contract is established when the other party successfully selects the commodity or service and submits the order, unless otherwise agreed by the parties.