Legal analysis: First, it is necessary to clarify the identity information of the client and the client, and generally it is necessary to attach copies of their ID cards. Second, the entrusted matters should be clearly written, such as the location of buying and selling real estate, the name of the community, the building number, etc.; Third, the authorization authority should be clearly written, whether it is general authorization or special authorization, and the authorized matters should be clearly written as far as possible, such as signing a contract, handling the transfer of ownership, handling the bank mortgage, and delivering/receiving the target property. Fourth, the term of entrustment should be written clearly as far as possible, such as from a certain day of a certain year to the date when the entrusted matters are completed. Finally, when handling bank loans or transfer procedures, according to the requirements of banks and housing management departments, it may be necessary to notarize the power of attorney.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 165 If the power of attorney is in written form, it shall specify the name of the agent, the matters to be represented, the authority and the time limit, and shall be signed or sealed by the principal.

Article 166 Where several persons are agents in the same agency, they shall jointly exercise their agency rights with others, unless otherwise agreed by the parties.