Ca5403 2026

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4.8 out of 5

49 votes

The document provides instructions for completing a form to request written confirmation of a National Insurance number (NINO) or to update personal details. It outlines when to use the form, where to find the NINO, and alternative methods for obtaining confirmation. Additionally, it specifies situations in which the form should not be completed and includes sections for personal information and declarations.

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Click ‘Get Form’ to open the ca5403 in the editor.
Begin by filling in your personal details. Enter your title, current home address, surname, first names, and contact number. Ensure all required fields marked with an asterisk (*) are completed.
If applicable, provide your previous surname and any previous first names. Indicate if you are completing this form to report a name change.
Select your gender by ticking the appropriate box and enter your date of birth in the specified format (DD MM YYYY).
In the marriage or civil partnership section, answer whether you are currently married or in a civil partnership and provide relevant dates if applicable.
Review all information for accuracy. Sign and date the declaration at the end of the form before submitting it.

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2013	4.8 Satisfied (49 Votes)

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Got questions?

We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

What is the best proof of National Insurance number?

Proof of national insurance national insurance number card. payslips. letters from the department of work and pensions. letters from the tax office.

How do I find my NIF number in the UK?

You can find your National Insurance number: on a document you already have, for example a P60, payslip or letters about benefits. in your personal tax account if you already have one. in the HMRC app if you live in the UK.

Can I pay National Insurance to the UK if I live abroad?

If you work abroad, you will usually pay social security contributions (called National Insurance contributions in the UK) in the country where youre working. You might have to pay National Insurance in the UK while youre working abroad. You might also need to get a certificate to show that you pay in the UK.

Can I apply for a National Insurance number outside the UK?

If you have a Biometric Residence Permit (BRP) If you have a BRP, you might have a National Insurance number already - it will be printed on the back of your BRP if you do. If you do not have a National Insurance number, you must apply for one if you plan to work. You can only apply when you are in the UK.

How long does it take to get a NI number in the UK?

4 weeks

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