The differences between food business licenses and catering service licenses are as follows: 1. Generally, the numbers of food business licenses with different natures are mainly formed by taking the third to seventeenth digits of the unified social credit code.

The main difference between them lies in their different nature. The taxpayer identification number is mainly used for tax payment, while the catering service license refers to the logo of the enterprise.

2. The different food business licenses of the application department are the industrial and commercial business license codes, and the catering service license is the certificate provided when going to the tax bureau to do business.

3. The encoding numbers of different food business licenses are represented by 18-digit Arabic numerals or capital English letters, which are composed of five parts: registration management department code (1 digits), organization category code (1 digits), administrative division code of registration management authority (6 digits), subject identification code (organization code) (9 digits) and check code (1 digits).

and catering service licenses are all composed of 15-digit, 17-digit, 18-digit or 21-digit codes (character type), among which: taxpayers in enterprises, institutions and other organizations use the 9-digit code compiled by the General Administration of Quality Supervision, Inspection and Quarantine (in which the "-"symbol between the main code and the check bit is omitted and not printed) and the 6-digit administrative division code * * 15 is added in front of it.

4. food business licenses with different registration documents are usually referred to as "tax number" for short.

The catering service license is the number on the tax registration certificate, and the identification number of each enterprise is unique.

and the catering service license is registered in the business license.

5. Different purchasing units need to fill in the uniform social credit code of the buyer in the column of "Buyer's taxpayer identification number" of the catering service license.

if the buyer is an enterprise, a unified social credit code shall be provided to the seller when requesting the general VAT invoice.

when the seller issues an ordinary VAT invoice for it, it should fill in the taxpayer identification number of the buyer in the column of "taxpayer identification number of the buyer". Invoices that do not meet the requirements shall not be used as tax vouchers.

The food business license is unique. As long as the taxpayer identification number of this enterprise is found in the tax invoice system, you can query the invoice status of this enterprise, and you can know whether the enterprise has falsely invoiced.