It's made up of 2 letters, 6 numbers and a final letter. For example, QQ123456B.To get a National Insurance number you need to apply online. You'll need to prove your identity when you apply. Find and download various legal forms, brochures, and self-help kits. If a form does not open, right-click the link to save it to your computer. Hi Emily currie, If you have access to your Personal tax account: sign in or set up then you can print off a National Insurance Contributions Letter yourself. Forms to Complete: (We will accept and we appreciate completed forms prior to your visit). â–¡. Certificates are used to show proof that an organization or person has insurance coverage. View and search certificates.