TIN Check Hong Kong

For individuals :

The TIN equivalent number is called “Hong Kong Identity Card (HKID) number” issued by the Immigration Department of Hong Kong, China.
Note: individuals with personal eTAX accounts may register a self-selected “TIN”. This number is only used for accessing e-services provided and should not be collected/provided for CRS purposes.

Format:

The HKID number consists of 8 (format: L999999L or L9999999) or 9 (format: LL999999L or LL9999999) characters. The last digit has 11 possible values from 0 to 9 and A.

For Entities :

The TIN equivalent number is the “Business Registration (BR) number” issued by Business Registration Office of Hong Kong, China.

Format:

The BR number consists of 8 digits, which are at the front of the business registration certificate number (e.g. 99999999-&&&-&&-&&-&).