Legal analysis: the general property name is inconsistent with the real estate license, and the buyer and the seller sign the agreement on the basis of equality, voluntariness and consensus. A formal model house purchase agreement will include the information of both parties, the housing situation, the house payment and payment agreement, and the liability agreement for breach of contract between both parties. The second-hand housing purchase agreement will include household registration, water and electricity fee settlement and other matters.

Legal basis: Article 7 of the Measures for the Administration of Commercial Housing Sales shall meet the following conditions:

(1) The real estate development enterprise that sells commercial housing now shall have the business license of enterprise legal person and the qualification certificate of real estate development enterprise.

(2) Obtaining a land use right certificate or a land use approval document;

(3) Holding a construction project planning permit and a construction permit.

(4) It has passed the completion acceptance;

(five) the demolition and resettlement has been implemented.

(six) water supply, power supply, heating, gas, communications and other supporting infrastructure have delivery conditions, other supporting infrastructure and public facilities have delivery conditions or the construction progress and delivery date have been determined;

(seven) the property management plan has been implemented.