Foreign Resident Unified Identification Number: Q&A

Q: Where can I find information about the new Unified Identification Number?
A: You can find relevant information about the new number in the "New Unified Foreign Nationals Identification Number Section" planned by the Immigration Agency.

Q: How can I determine if I have been assigned an old or new identification number?
A: To verify whether you have been assigned a new or old identification number, please check on the "Immigration Agency New and Old Unified Identification Number Application Results" webpage.Immigration Agency New and Old Unified Identification Number Application Results" webpage (Image / Source: National Immigration Agency website)

Q: What is the specific format of the new identification number?
A:The 1st digit: Region code, based on the application area, following the same format as citizens.
The 2nd digit: Gender code, 8 for males, 9 for females.
The 10th digit: Check code.Formats of New and Old Unified Identification Numbers (Image / Source: National Immigration Agency website)

Q: What is the difference between the new and old identification numbers?
A:New Identification Number: Issued by the Immigration Agency on or after January 2, 2021 (1 letter and 9 digits).
Old Identification Number: Issued by the Immigration Agency on or before January 1, 2021 (2 letters and 8 digits).

Q: Is there a difference between the Unified Identification Number and the National Identification Number?
A: The Unified Identification Number is used by foreigners, nationals without household registration, Hong Kong and Macau residents, and Mainland China residents during their stay in Taiwan. Once assigned, it can be used until a national ID card is issued, but it differs from the National Identification Number.