What is User ID and User ID Type?

If you are part of the Auto-Inclusion Scheme, you can submit your IR8A information directly to IRAS from our system (Filing > IRAS Filing (IR8A etc.))

When doing so, you’ll be asked to enter a User ID and User ID Type before you can proceed with the submission.

What is a User ID?

A Tax Identification Number (TIN) is a unique set of numbers specifically assigned to an individual or organization to create a “fingerprint” that can facilitate their identification for the government and its agencies.

Individuals are assigned a Tax Reference Number issued by the Inland Revenue Authority of Singapore (IRAS).

Businesses and other organizations are assigned with a Tax Identification Number known as the Unique Entity Number (UEN), assigned by the Accounting and Corporate Regulatory Authority of Singapore (ACRA) or other government agencies.

In both cases, the number assigned is comprised of a 9 to 10-digit combination of numbers and letters.

What is a User ID Type?

There are different User ID types. For the complete list of ID types, please visit the OECD’s website here.