Written Question·Treasury·UIN 81542

Migrant Workers: National Insurance

Tabled: 13 October 2025
Answered: 20 October 2025

Question

Blake Stephenson

ConservativeMid Bedfordshire

To ask the Chancellor of the Exchequer, whether her Department checks that National Insurance numbers associated with visa-holders cease being associated with tax payments at the expiry of work visas.

Answer

Dan Tomlinson
The National Insurance (NI) number is a reference number for the administration of National Insurance and social security, and is used more widely in tax administration. The NI number does not expire or cease being associated with an individual if their v...

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