According to Article 490 of the General Principles of Civil Law of People's Republic of China (PRC), if the parties conclude a contract in the form of a contract, the contract is 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.
On the one hand, as long as the contract is the true intention of the parties, has full capacity for civil conduct, and the contents of the contract do not violate the national prohibition regulations, the contract is valid after the parties sign it, and the contract is not invalid because the fingerprints are not the same person.
According to Article 493 of the General Principles of Civil Law of People's Republic of China (PRC), if the parties conclude a contract by contract, the place where the contract is established is the place where the parties finally sign, seal or fingerprint, unless otherwise agreed by the parties.
On the other hand, if the parties to the contract agree that the contract will not take effect until it is signed and sealed, then the contract signature and handprint are not the same person, which does not meet the conditions for the contract to take effect. Whether it will take effect at this time remains to be discussed.