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Hong Kong TIN number guide

Hong Kong Identity Card (HKID) number​

The Hong Kong Identity Card (HKID) serves as the official identification document issued by the Immigration Department of Hong Kong, China. It is mandatory for all residents aged 11 and above, with certain exemptions.

Format

The HKID number follows a standard format like @123456(#).

(a) @ can be any one or two capital letters of the alphabet.

(b) # is the check digit, taking values from 0 to 9 and A.

Every letter and numeral in the HKID number, including the check digit (excluding the bracket), serves as the identifier equivalent to TIN (Tax Identification Number) for individuals.

HKID
HKID

Business Registration (BR) number​

The Business Registration Office in Hong Kong, China, plays a pivotal role in registering businesses conducted by various entities. Each business is assigned a distinctive BR number, serving as a unique identifier.

Format

The BR number is composed of 8 numerals positioned at the forefront of the business registration certificate number (e.g., 99999999-&&&-&&-&&-&).

Every numeral within the BR number serves as the identifier equivalent to TIN (Tax Identification Number) for entities.

Official database - BR enquiry

BR number on business registration certificate
BR number on business registration certificate

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