The copy of the household registration book is only used as the basis of the original, and cannot produce all the normal legal effects of the original. A copy of the household registration book is generally only used as a special tool for identification. For example, children need to submit a copy of the household registration book to prove that they have permanent residence rights in the local area. All loans, etc., must provide the original of the house to have legal effect. Use of the copy of the real estate license: 1. If you want to apply for a residence permit, you must use a copy of the house; 2. If you have a real estate license to apply for a mortgage loan, the essential raw materials will have a copy of the household registration book; 3. If you want to buy or sell real estate and handle the transfer of property rights, the seller must provide the house book and a copy of the house, as well as other valid documents and original materials. 4. A copy of the household registration book will be used when signing the contract. 5. A copy of the household registration book will be used when handling mortgage and loan procedures. 6. A copy of the household registration book will be used for pre-marital property notarization.

legal ground

Article 469 of the Civil Code of People's Republic of China (PRC) * * * The parties may conclude a contract in writing, orally or in other forms. Written form refers to contracts, letters, telegrams, telexes, faxes and other forms that can tangibly express the contents contained. A data message that can tangibly express its content through electronic data interchange, e-mail, etc. , and can be retrieved at any time, are considered in writing.