A contract that meets the following conditions is valid only if it is signed and sealed: (1) The parties to a contract must have the ability to sign a contract. (2) The contract must have consideration or consideration. (3) The contents of the contract must be legal. The parties shall conclude and perform contracts in accordance with laws and administrative regulations, respect social morality, and shall not disturb social and economic order or harm public interests. (4) The contract must be in the form prescribed by law. (5) Both parties to the contract must be true.

There is a long-standing trading habit problem about the seal of the contract. In our country, the seal of a contract reflects the will of the parties. Usually, if the party is a legal person, the official seal or special seal for the contract is used. If the party is a natural person, you can use a personal seal, preferably a signature or a fingerprint. If the contract is concluded by applying special seals in other fields, such as financial chapter, it is easy to cause disputes whether it can objectively reflect the true intention of the sealing party when concluding the contract.

If the parties conclude a contract in the form of a contract, the contract shall be established when both parties sign or seal it.

The parties include natural persons, legal persons and other organizations. It is enough for a natural person to sign or seal when concluding a contract. When a legal person or other organization concludes a contract, it is generally signed by the legal representative of the legal person or the person in charge of other organizations or stamped with the official seal of the unit.

The law of our country does not clearly stipulate what kind of seal a legal person or other organization should affix.

What is the seal of the labor contract?

The company shall sign a labor contract with the laborer through consultation, and both parties shall sign or seal the text of the labor contract. For the company, it shall be signed by the legal representative or stamped with the company's official seal and contract seal. It is also valid if the legal representative authorizes others to sign or seal it.

Abstract: With the deepening of legal system construction and the continuous expansion of commercial fields, contracts with legal effect and legal protection have become the first choice for many commercial institutions and individuals to conduct transactions. At the same time, in order to ensure the legitimacy and effectiveness of the contract, it must be stamped with a personal seal.

Legal basis: According to Article 35 of the Contract Law, if the parties conclude a contract in the form of a contract, the contract is established when both parties sign or seal it. As far as the parties are concerned, they are nothing more than natural persons, legal persons and other organizations. When a natural person concludes a contract, the natural person who concludes the contract generally has to sign or seal it; When a legal person or other organization concludes a contract, it is generally signed by the legal representative of the legal person or the person in charge of other organizations or stamped with the official seal of the unit.