Ireland: Revenue updates guidance on filing corporation tax returns for 2023, 2024

The amending protocol to the 2009 tax treaty between Ireland and Jersey came into effect on 16 May 2025. The protocol was signed on 23 November 2023. The protocol updates the preamble to include not only the intention to eliminate double taxation

The Irish Revenue has issued eBrief No. 024/26 on 29 January 2026, updating Tax and Duty Manual Part 22A-01-01 with guidance on the Residential Zoned Land Tax (RZLT). The update reflects amendments introduced under the Finance Act 2025. Key

Irish Revenue issued eBrief No. 016/26 on 22 January 2026, updating the guidance for reduced tax rate on income and gains from Irish and equivalent offshore investment funds. Tax and Duty Manuals Part 27-04-01 (Offshore Funds: Taxation of Income

Irish Revenue has published eBrief No. 015/26 on 19 January 2026, announcing updates to Tax and Duty Manual (TDM) Part 38-01-04I relating to the Income tax return form 2024. The manual has been amended to include a clarification at paragraph 4.2,

Irish Revenue has published eBrief No. 013/26 on 16 January 2026, providing updated guidance on the enhanced deduction for qualifying construction expenses introduced under the Finance Act 2025. A new Tax and Duty Manual (TDM) Part 04-06-27 –

Ireland has adopted new EU directives under the Finance Act 2025, bringing the Amending Directive to the 2011 Directive on Administrative Cooperation (2025/872) (DAC9) and the Amending Directive rules (2023/2226) (DAC8) into national law. DAC8