If no invoice is issued, the tax control panel used for invoicing shall be reported and summarized monthly. Then report it to the tax and settle it. The tax controller did not issue an invoice this month, but it should also send a copy to the clearing card normally during the collection period, otherwise the tax controller will be locked and cannot issue an invoice next month.

The tax control panel conforms to the national standard GB 18240, and adopts SSF44 special tax control algorithm, which can realize the functions of tax control code calculation, invoice electronic information management, safe storage of invoice details, real-time clock and so on. The billing speed of each tax number is not less than 50 sheets per second, and it can support 200 billing terminals at the same time. A single server stores the invoice details of1t. It is suitable for group enterprises or companies with large billing volume, scattered billing points and complicated tax-related affairs.