The taxpayer identification number is the number on the tax registration certificate, and the identification number of each enterprise is unique. The taxpayer identification number consists of 15 digits, 18 digits or 20 digits (character type).

The taxpayer identification number is the number on the tax registration certificate, usually referred to as "tax number", and the taxpayer identification number of each enterprise is unique. This digital code, which belongs to everyone and remains unchanged for life, is likely to become our second "ID card".

Extended data:

Taxpayer identification numbers are all composed of 15 digits, 17 digits, 18 digits or 20 digits (character type), in which taxpayers of enterprises, institutions and other organizations use the 9-digit code compiled by AQSIQ (in which the "-"symbol between the main code and the check bit is omitted and not printed) and add it in front of it.

The taxpayer code issued by State Taxation Administration of The People's Republic of China, People's Republic of China (PRC) is 15 digits, in which: 1-2 digits are provincial and municipal codes, 3-6 digits are regional codes, 7-8 digits are economic codes, 9- 10 digits are industry codes, and15 digits are.

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