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SA1

[ɛs-eɪ1]

Form

Summary:

The SA1 is a form that individuals must use to register for Self Assessment with HMRC. It is not applicable to self-employed individuals, who use the CWF1.

More detail:

The SA1 form is a document in the United Kingdom that allows individuals to register for Self Assessment with HMRC. It is not applicable for Self-employed individuals. Self-employed individuals must use a CWF1 instead.

This form applies to individuals that for example have a yearly income over £100,000, or to individuals that have sold assets that are liable to Capital Gains tax etc.

The form can be submitted online or via post. Once the form has been submitted, HMRC will issue the individual with a UTR number that they can use to submit their tax return.

An example of this form is shown below:

A photo of a blank SA1 form

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