There are three ways to lose the purchase contract with real estate license. They are: 1, and corresponding remedial measures should be taken in time; 2. If the house purchase contract is not pre-registered, before the house purchase contract is pre-registered, if the buyer loses the contract, he only needs to void the lost contract and sign a new one; 3, after the pre-sale registration, before the bank mortgage, lost the contract, published a statement in the newspaper, that the contract is invalid. Take the newspaper to cancel the lost contract, then re-sign, and then do the pre-sale registration.

law

Article 490 of the Civil Code of People's Republic of China (PRC): If the parties conclude a contract in the form of a contract, the contract is concluded when 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 written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.

skill

The above answer is only for the current information combined with my understanding of the law, please refer carefully!

If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.