Guidance: Check which country’s social security legislation applies to you (CA8421)

Updated with further conditions for using the CA8421 form such as living in the UK and being subject to the UK for social security purposes. Added details on how to answer questions in the form, including the ‘Reason for your PDA1 or E101 request’ and the ‘Date you need the PDA1 or E101 to start’.

This has been updated following the announcement of the UK’s deal with the EU. Use the online service (CA8421) to find out which country’s social security legislation applies to you if you’re working in 2 or more countries in the UK, EU, Norway, Iceland, Switzerland or Liechtenstein.

First published.