by invoice code and invoice number. The printing of catering invoices requires that different special catering invoices be printed by enterprises designated by the competent tax authorities of the State Council; Other catering invoices shall be printed by enterprises designated by the State Taxation Bureau and Local Taxation Bureau of provinces, autonomous regions and municipalities directly under the Central Government in accordance with the provisions of the competent department of the State Council. You can print the invoice code and invoice number of the invoice on the face of the catering invoice, log in to the local local tax bureau for inquiry according to the invoice code, or call the service hotline provided by the invoice.