if the written contract is not signed and sealed, both parties shall settle it through consultation. The Civil Code stipulates that if the parties conclude a contract in the form of a contract, the contract will be established when both parties sign or seal it. However, if a contract is concluded in the form of a contract, one party has fulfilled its main obligations before signing or sealing, and the other party accepts it, the contract is established.

legal basis

article 49 of the civil code, if the parties conclude a contract in the form of a contract, the contract shall be formed when all 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 writing as stipulated by laws and administrative regulations or agreed by the parties. If the parties fail to do so in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.