2. According to the invoice management method and its detailed rules for implementation, the professional invoices of state-owned financial, post and telecommunications, railway, civil aviation, highway and water transport units can be managed by the relevant competent departments of the State Council or the people's governments of provinces, autonomous regions and municipalities directly under the Central Government with the approval of State Taxation Administration of The People's Republic of China branch in People's Republic of China (PRC) or State Taxation Administration of The People's Republic of China in People's Republic of China (PRC). Remarks: The above-mentioned "professional invoices" refer to deposits and loans, exchange transfer vouchers and insurance vouchers of state-owned financial and insurance enterprises; Stamps, postal orders, telephone bills and telegraph receipts of state-owned post and telecommunications enterprises; Ship tickets, cargo tickets, etc. State-owned railways, civil aviation enterprises and state-owned highway and water transport enterprises belonging to the transportation department.

Simply put, individuals and enterprises who are unable to invoice themselves go to the post office to invoice on their behalf.

Just bring your ID card and contract with you when you invoice. Enterprises should make an application online and then print it out for invoicing. Bring a copy of the business license and the contract, with the official seal and invoice stamp.