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Registering for tax

  1. Overview
  2. What is a Tax Registration Number?
  3. eRegistration
  4. How to register for tax as a sole trader
  5. How to register for tax as a trust or partnership
  6. How to register for tax as a new company
  7. Mandatory electronic payment of taxes and filing of tax returns
  8. Exclusion from mandatory electronic filing

What is a Tax Registration Number?

A Tax Registration Number (TRN) is issued by Revenue when you register for tax as a sole trader, trust, partnership or company.

You must use your TRN when trading and filing your tax returns as a sole trader, trust, partnership or company.

Note

As a sole trader your TRN will be the same as your Personal Public Service Number (PPSN). Your PPSN does not become your TRN until you have been registered with Revenue as a sole trader.

Next: eRegistration

Published: 16 September 2024 Print this page

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