Local housing management department. Maintenance fund bills are "special receipts for residential special maintenance funds" supervised by the Provincial Department of Finance, and maintenance fund invoices are issued by local housing management departments, and are also filed in the housing management bureau's maintenance fund window (or department). Because the housing maintenance fund is generally collected by the developer, and then transferred to the real estate management center by the developer; The owner should pay this fee to the developer one month before handling the real estate license, and then the developer will transfer it to the real estate management center.