National Insurance: claim refund of UK contributions paid while working abroad (CA307)

Form CA307 is used by individuals to claim a refund on NI contributions paid whilst working abroad.

This form has been revised from the original issued in 2014 and the form and details of how to claim either on-line or by post can be found here.

To claim a refund of UK National Insurance contributions paid while working abroad, individuals can either:

use the online form service (sign in to, or set up a Government Gateway account), or fill in the form on-screen, print and post to HM Revenue and Customs

Claimants will need:

their National Insurance number, their international address details of their UK employment status before leaving the UK, including employer name and address the date they last paid National Insurance contributions details of their employment abroad, including: date they left the UK, the country they were in, employer name and address, employment start and end dates, and who the contract was with