TIN Check South Korea
For individuals:
The TIN is called “Resident Registration Number” and is issued by the Ministry of Interior.
The TIN consists of 13 digits (format: 999999-9999999).
The first 6 digits corresponds to the
individual birth date.
The next digits corresponds to gender,
region of birth registration, serial number
and check digits.
• 999999-9999999.
For entities
The TIN is called “Business Registration Number” and is required to be obtained from the head of a district tax office by entities or individuals starting a business.
The TIN consists of 10 digits (format: 999-99-99999).
The middle 2 digits are used to distinguish
between entities and individual corporations.
• 999-99-99999