TIN Check South Korea
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.
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.