You need to contact HMRC Residency and ask for a “certificate E205”.
The request can be made in one of the following ways:
1. download form CA3916 from HMRC website at www.hmrc.gov.uk/forms/2005/ca3916.pdf;
2. call their helpline: 0044 191 2254811;
3. write a letter requesting a “statement of the United Kingdom National Insurance contributions record” and send it to:
HM Revenue and Customs
Charity Assets and Residence
Residency
Room BP1301
Benton Park View
Longbenton
Newcastle Upon Tyne NE98 1ZZ
lavoro_UK
2009-07-24

Maeci