The Isle of Man Income Tax Division issued a Pillar 2 update on 5 November 2026 concerning the functionality of the Pillar 2 Online Service, which has been expanded to support the submission of Domestic Top-up Tax and Multinational Top-up Tax returns and GloBE Information Return Notifications. Guidance Note – GN 64, Pillar 2 Online Service Guide, has also been updated to provide guidance on these submissions. It is also noted that, for at least the first 12 months, the Isle of Man will be a…