Legal analysis: When catering invoices are not enough, you can go to the local tax to buy invoices with the same face value. Catering invoice is a special invoice for catering industry. Invoice refers to the written proof of receipt and payment provided by all units and individuals in the purchase and sale of goods, provision of labor services or acceptance of labor services and other business activities. It is the legal certificate of financial revenue and expenditure, the original basis of accounting, and an important basis for law enforcement inspection by audit institutions and tax authorities.

Legal basis: Article 15 of the Measures for the Administration of Invoices of the People's Republic of China, units and individuals who need to receive and purchase invoices shall go through the formalities of receiving and purchasing invoices with the tax registration certificate, the identity certificate of the agent and the stamp of the special invoice seal made according to the style specified by the competent tax authorities of the State Council. The competent tax authorities shall, according to the business scope and scale of the purchasing units and individuals, confirm the types, quantities and methods of purchasing invoices, and issue invoice purchasing books within 5 working days.

when receiving and purchasing invoices, units and individuals shall report the use of invoices in accordance with the provisions of the tax authorities, and the tax authorities shall conduct inspections in accordance with the provisions.