According to an update from Irish Revenue, the amending protocol to the 2009 income tax treaty between Guernsey and Ireland entered into force on 19 December 2022. The protocol, signed 8 December 2021, is the first to amend the treaty and includes the following changes:

• The preamble is replaced in line with OECD BEPS standards;
• Article 9 (Mutual Agreement Procedure) is amended to provide that…