Irish Tax Appeal Guides

Practical guides on appealing Revenue decisions, surcharges and penalties in Ireland.

Guide · 5 min read

How to Appeal a Revenue Decision in Ireland (2026 Guide)

Step-by-step: what you can appeal, the 30-day deadline, what your notice must include, and how to lodge it with the Tax Appeals Commission. No accountant needed.

Guide · 6 min read

What is the Tax Appeals Commission Ireland?

Everything you need to know about the TAC — what it is, what it can decide, the full appeals process from lodging a notice to getting a determination, and your right to go to the High Court.

Guide · 5 min read

How to Appeal an Irish Revenue Surcharge or Penalty

Got a late filing surcharge or a penalty you think is wrong? Both are appealable. This guide covers the grounds, the evidence you need, and how to draft your notice of appeal.