[co-author: Carrie-Ann Hopkins]
A “frontier worker” is a resident of the European Union, Switzerland, Norway, Iceland, or Liechtenstein, who is employed or self-employed in the United Kingdom.
From 1 July 2021, the UK government will require each frontier worker to hold a valid frontier worker permit, as well as a valid passport or national identity card, in order to enter the United Kingdom as a frontier worker. The frontier worker permit allows nationals of the European Union, Switzerland, Norway, Iceland, or Liechtenstein to continue coming to the United Kingdom to work whilst residing elsewhere. Irish citizens have a right to work and reside in the United Kingdom and thus are not required to apply for frontier worker permits, though they can do so if they so choose.