When providing a copy of the real estate license to the other party, it should be indicated on it that it is only used for .... Only for the following content is to copy the real estate license in practical aspects. If you apply for a residence permit, you can indicate on it that the copy of the real estate license is only used for the residence permit, and it is invalid for other purposes. This is a kind of self-protection. Some criminals use other people's copies to make loans and cheat contracts. It is illegal to sign a contract by using other people's relevant documents.

Article 224 of the Criminal Law of the People's Republic of China commits any of the following acts. Whoever, for the purpose of illegal possession, defrauds the other party of property in the process of signing and performing a contract, if the amount is relatively large, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention and shall also, or shall only, be fined; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years and shall also be fined; If the amount is especially huge or there are other especially serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than 1 years or life imprisonment, and shall also be fined or confiscated:

(1) signing a contract with a fictitious unit or using someone else's name;

(2) using forged, altered or invalid bills or other false certificates of property rights as the guarantee;

(3) having no actual performance ability, tricking the other party into continuing to sign and perform the contract by performing the small contract first or partially;

(4) escaping after receiving the goods, payment, advance payment or secured property from the other party;

(5) defrauding the other party's property by other means.

Extended information:

Article 266 of the Criminal Law of the People's Republic of China defrauds public or private property, and if the amount is relatively large, he shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also or shall only be fined; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years and shall also be fined; If the amount is especially huge or there are other especially serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than 1 years or life imprisonment, and shall also be fined or confiscated. Where there are other provisions in this Law, such provisions shall prevail.

China Supreme People's Procuratorate-People's Republic of China and China's Criminal Law