Legal analysis: there is an invoice for housing maintenance fund, which is issued by the local housing management department and filed in the housing management fund window. According to the relevant laws and regulations, after an individual accepts business services, the operator shall issue invoices in accordance with the regulations.

Legal basis: Article 21 of the Law of People's Republic of China (PRC) on Tax Collection and Administration is the competent authority of invoices, which is responsible for managing and supervising the printing, purchasing, issuing, obtaining, keeping and cancellation of invoices. Units and individuals shall issue, use and obtain invoices in accordance with regulations when buying and selling commodities, providing or receiving business services and engaging in other business activities. Measures for the administration of invoices shall be formulated by the State Council.