The official seal does not need to be stamped with the date. Generally, there is no impact, as long as there is no problem with the official seal itself and the sealed document. Signing a contract and sealing it only needs to be the true expression of the parties' intentions, and the contract is usually valid if it does not violate laws and regulations.

Legal Basis

Article 490 of the Civil Code

Where the parties conclude a contract in the form of a contract, both parties shall sign, seal or The contract is formed when the fingerprint is pressed. Before signing, sealing or fingerprinting, one party has performed its main obligations and the contract is established when the other party accepts it.

Laws and administrative regulations or the parties agree that a contract should be concluded in writing. If the parties do not use writing but one party has performed its main obligations and the other party accepts it, the contract is established.