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Tool
Applies the four-year rule to the year you pick and tells you the last date to claim and where to do it.
Last reviewed 2026-10-28 (awaiting sign-off by a named tax-qualified reviewer). Every factual tax rule on this page is backed by a dated Revenue source. Spotted an error? Use the contact page.
You will need: Tax year.
Do not enter your PPSN, bank details or passwords anywhere on this site. The tools do not need them.
Result says check with Revenue, or your year is complicated? Ask an accountant (no obligation).