Change log
What changed, and when
Every material change to a rule, figure or guide, newest first. Previous years stay immutable except for corrections, and each entry names the pages it affects.
Revenue’s published record was last checked for changes on 29 October 2026.
28 October 2026
Site launched as a developer-ready MVP from the 28 October 2026 product specification. All 2022 to 2026 rule records entered and marked for reviewer verification.
28 October 2026
Rent Tax Credit extended to 2026, 2027 and 2028 at 1,000 euro (individual) and 2,000 euro (jointly assessed) per Budget 2026.
28 October 2026
Mortgage Interest Tax Credit for 2026 recorded at the reduced maximum of 625 euro (half share of the increase) per Revenue guidance R12.
/reliefs/mortgage-interest-tax-credit/tools/mortgage-interest-creditSource R12
28 October 2026
USC 2% band ceiling for 2026 recorded as 28,700 euro (up from 27,382) per Budget 2026.
28 October 2026
CGT rate reduction to 31% for disposals on or after 7 October 2026 noted from Revenue eBrief 142/26, pending enactment of the Finance (No. 2) Bill 2026.
28 October 2026
Guided, situation-aware walkthroughs added for Form 11, the PAYE Income Tax Return, CG1 and IT38. Field labels verified for the 2025 return versions.
/forms/form-11/forms/paye-income-tax-return/forms/cg1/forms/it38
28 October 2026
Nineteen question-led guides published from search-demand research.
28 October 2026
Form 11 walkthrough: added spouse or civil partner questions under joint assessment so a partner's trade, PAYE, rental or directorship income shows its panels with the Self / Spouse column note, and added the accounts-extract fields (accounting period, stock, drawings, balance sheet extract, RCT and PSWT credits).
28 October 2026
Take-home pay calculator added for 2026 and 2027 (Budget 2027 as announced). Home Carer taper ceiling corrected to 7,200 plus twice the credit.
19 October 2026
The Oireachtas record shows the Finance (No. 2) Bill 2026 (Bill 98 of 2026) was published on 19 October 2026, took Dáil Second Stage on 20 October and was referred to Select Committee. It is at First Stage on the Oireachtas record and is not yet law. This log has not yet checked its contents.