the approval failed. Electronic invoice is a product of the information age. Just like ordinary invoice, it is distributed to merchants by the tax bureau. The bottom of the QR code of electronic invoice for catering is grayed out because the audit failed. You can manage or submit the billing information through the web version of merchant background-account funds-invoice management-billing information management, and apply for billing again after the billing information is approved. The invoice number adopts the national unified coding and unified anti-counterfeiting technology, and is distributed to merchants. The electronic invoice is attached with the signature mechanism of the electronic tax bureau.