How do I fill this out? â–« Print this form, or download it to your computer.â–« Fill it out using the combined income for your household. This document contains a National Insurance number for Mr. Ramzan Akbar Ali. You need a National Insurance number to make sure your National Insurance contributions and tax are recorded against your name only. With our PDF tool, you can acquire the National Insurance Form in two shakes. The application process of national insurance number can take up to 16 weeks that's approximately four months so it's better to apply for it as soon as possible. Printing a letter from your Personal Tax Account. Insurance corporation tax forms (current year) forms for combined filers insurance corporations other information The ceremony was presented virtually because of the COVID-19 response.