Global Daily Tax News, Ireland Updates Pillar Two Regime Guidance, (Aug 31, 2026)

The Irish Revenue has updated Tax and Duty Manual Part 04A-01-02, titled Global Minimum Level of Taxation for Multinational Enterprise Groups and Large-Scale Domestic Groups in the Union.

Sections 8.9 and 9.8 of the Manual have been updated in relation to prior-period adjustments, in particular, prior-year adjustments relating to a pre-transition fiscal year that have an impact on deferred tax expense.

In addition, Section 9.1 has been updated to refer to OECD Administrative Guidance regarding the computation of the effective tax rate for Pillar Two.

Miscellaneous cross references to OECD Administrative Guidance documents have also been updated, including in Section 1.1 and in Appendix 1.