Ireland Split-Year Tax Treatment — Arriving & Leaving Ireland
Why residency status matters first
You are Irish tax resident for a year if you are present 183 days or more in that tax year, or 280 days or more counting the current tax year and the immediately preceding one together — though you are never treated as resident for a year in which you were present for 30 days or less. Ordinary residency, and the wider tax exposure that comes with it, follows automatically once you have been tax resident for three consecutive years.
Split-year treatment does not change any of that. It only changes which employment income Ireland taxes in the specific year you arrive or leave, for someone who would otherwise be resident for only part of that year in substance.
Arriving in Ireland
You can claim split-year treatment in your year of arrival if:
- you are resident in Ireland in that year,
- you were not resident in Ireland in the previous year, and
- you will be resident in Ireland in the year following your arrival.
If all three hold, you are treated as Irish tax resident only from your date of arrival. Foreign employment income earned before you arrived is ignored for Irish tax purposes — it is not merely relieved by a credit, it is left out of the Irish computation entirely. You still get full-year tax credits, even though you were only actually resident for part of the year.
Leaving Ireland
Split-year treatment in the year you leave requires that you are resident in the year of departure and not resident in the year following your departure. All your employment income up to your date of departure is taxed in Ireland in the ordinary way, and you generally get a full year's tax credits. Foreign employment income you earn after you leave is ignored for Irish tax purposes, in the mirror image of the arrival rule.
In both directions, split-year treatment applies only to employment income. Rental income, investment income, and most other income types do not get the same split; they continue to be taxed on ordinary residence-based rules for the whole year, which is the detail most commonly missed by someone assuming the split covers everything.
How to claim it changed in 2024
Before Finance Act 2024, claiming split-year treatment meant applying in writing to Revenue — through MyEnquiries in myAccount, or your local Revenue office — often with supporting evidence such as an employer statement or employment contract, and getting the position confirmed before or during the year. For arrivals and departures after 31 December 2024, you can instead self-assess the claim by making it directly on your Income Tax Return for the relevant year, without needing separate pre-approval from Revenue first.
Worked example
Niamh moves to Ireland on 1 September, having lived and worked abroad the whole of the prior tax year, and intends to stay resident in Ireland going forward. She earned €40,000 abroad from 1 January to 31 August, and then takes an Irish job paying €30,000 from 1 September to 31 December.
- She is resident for the year (present well over 30 days from September onward, and — because the facts here also satisfy the three split-year conditions — treated as resident only from 1 September).
- The €40,000 earned abroad before 1 September is ignored for Irish tax purposes.
- Only the €30,000 Irish employment income from 1 September onward is taxed in Ireland for the year, and she still receives a full year's tax credits and rate band against that €30,000, rather than a pro-rated four-month share of them.
FAQ
Q: Does split-year treatment mean I only get four months of tax credits if I arrive in September? A: No — one of the point of the relief is that you get full-year credits and rate bands, set against only the Irish-taxable portion of your income, not a pro-rated share.
Q: I have rental income from a property abroad. Does split-year treatment shield that too? A: No. The relief applies to employment income only — foreign rental or investment income continues to be taxed under the ordinary residence rules for the whole year.
Q: I left Ireland in March 2026. Can I just claim this on my tax return, or do I need Revenue's approval first? A: Because your departure is after 31 December 2024, you can self-assess the claim on your Income Tax Return for 2026 rather than needing prior written approval from Revenue.
Sources
Figures verified against Revenue guidance as of 30 July 2026:
- Revenue — "How to know if you are resident for tax purposes" (183-day test, 280-day two-year test, 30-day non-residence threshold, three-year ordinary-residence rule)
- Revenue — "Split-year treatment in your year of arrival" (three conditions, foreign pre-arrival employment income ignored, full-year credits)
- Revenue — "Split-year treatment in your year of departure" (conditions, foreign post-departure employment income ignored)
- Finance Act 2024 changes (self-assessed claim via Income Tax Return for arrivals/departures after 31 December 2024, replacing the prior written-application-only process)