Job Recruitment Website - Property management - Gaochun stipulates that the area of property space shall not be less than 3% of the total construction area. Is there any basis? If so, what are the rules there?

Gaochun stipulates that the area of property space shall not be less than 3% of the total construction area. Is there any basis? If so, what are the rules there?

Gao Chun is from Jiangsu, right? It is stipulated in the Regulations of Jiangsu Province on Property Management. Article 27 says: When a development and construction unit hands over a residential area, it shall provide a property management service room for free according to three thousandths to four thousandths of the total construction area of the residential area, and its property right belongs to all owners of the residential area.