Apply if you're the spouse or civil partner of armed service personnel and have been with them on a posting outside the UK you can claim NI Credits.
Details
Print and complete the form MODCA1 (using capital letters) to apply for Class 1 National Insurance credits if you’re the spouse or civil partner of armed service personnel and have been on an accompanied assignment outside the UK.
The second page of the form needs to be completed by the unit welfare officer.
When to complete this form
You should not apply for National Insurance Credits more than four months before the confirmed end date of your accompanied assignment outside the UK and no later than the end of the tax year after the end of the assignment.
Click here for MODCA1 form.