Legal analysis: the maintenance fund must be paid. The maintenance fund is a special fund established after the sale of commercial housing. It must be paid before the new house can handle the real estate license. Like the deed tax, the real estate license cannot be handled without paying the maintenance fund. Sometimes developers help collect maintenance funds, and sometimes property companies collect them.

legal basis: article 53 of the constitution of the people's Republic of China. citizens of the people's Republic of China must abide by the constitution and laws, keep state secrets, cherish public property, observe labor discipline, observe public order and respect social morality.