NIM33135 | Special cases: international going to or coming from abroad EEA Regulations 883/04 (After 1 May 2010): National Insurance contributions going to another EEA country
From HM Revenue & Customs · National Insurance Manual
Note: This page is under review and the content may only be appropriate to periods beginning before 1 January 2021 and for those covered by a Withdrawal Agreement. A new International NICs manual is under development and will be published in due course.