Written Question·Treasury·UIN 86883

Income Tax: Northern Ireland

Tabled: 30 October 2025
Answered: 7 November 2025

Question

Sorcha Eastwood

AllianceLagan Valley

To ask the Chancellor of the Exchequer, what guidance HMRC provides to Northern Ireland residents with UK National Insurance numbers and Irish Personal Public Service numbers on reporting income earned in the Republic of Ireland; and whether she plans to

Answer

Dan Tomlinson
The UK has one of the largest networks of Double Taxation Conventions (DTCs) in the world, covering more than 130 jurisdictions. The UK also seeks to encourage and maintain an international consensus on cross-border economic activity and to promote intern...

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