Invalid. Signing a blank contract means that the specific contract content has not been specified in the contract, but one party signs it first and then supplements the contract content on the already signed contract. Then the added contract content may be agreed in advance by both parties, or it may be a separate expression of intention by one party. These are possible.

If the content of the contract that is added afterwards is completely agreed upon by both parties and represents the true intention of both parties, then even if one party signs the blank contract first, we cannot deny the contract just because of this form. Potency. Of course, in reality this rarely happens.

Generally speaking, if one party signs a blank contract first, most of the content added later is different from its true meaning. The reason why one party signs the blank contract is likely to be fraud, so in this case In this case, the contract is invalid. Of course, this is a theoretical analysis, but in practice, if this happens, the contract will be declared invalid.

We need to prove that when we signed the contract, it was a blank contract and the content of the contract was not stated. The content of the current contract is not our true intention.

According to the Civil Law:

Article 470 The content of a contract is agreed upon by the parties and generally includes the following terms:

(1) Name of the parties and residence;

(2) subject matter;

(3) quantity;

(4) quality;

(5) price or remuneration;

(6) Time limit, place and method of performance;

(7) Liability for breach of contract;

(8) Methods to resolve disputes.

The parties may conclude a contract by referring to the model texts of various contracts.

When signing a contract or agreement, no matter who gives you a blank agreement in any way, do not sign it. It is legal to draft the agreement correctly and then print it out on A4 paper. Both parties read it carefully and agree that the signature is legal. However, signing without reading the agreement and later regretting it is a breach of contract.