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If you submit your Self Assessment tax return using a SA100 postal form, you’ll also need to complete a SA103 to tell HMRC about any self-employed income. You don’t need to complete a separate SA103 postal form if you submit your Self Assessment online.

What are the two types of SA103 form?

The two types of SA103 Self Assessment postal form are:

 Tax return services

What should I include on my SA103 form?

All details of your self employment should be declared on this form, including income, allowable expenses, and any losses.

If you have multiple businesses, you will need a separate form SA103 for each business. If you have changed your accounting date, or recently started or ceased self employment, you may need more than one page.

What happens after I submit a SA103 form?

Once you have completed and submitted the form, you will receive a Statement of Account from HMRC. This shows how much tax you owe, the amount you have paid and any amount left to pay. If you have paid too much tax, this will also be shown.

Our online accountancy services include specialist support for Self Assessment. Talk to an advisor by calling 020 3355 4047, using the live chat button on your screen, or ask for an instant quote online.

About The Author

Lee Murphy

MAAT and ICPA accountant, with a passion for making accountancy and bookkeeping accessible. Other interests include cloud-based software development for web and mobile access, keeping fit, reading, and entrepreneurship.

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Rıfat Erdem Sahin
Rıfat Erdem Sahin
5th August 2017 10:14 pm

Can i use this as an owner of a ltd company ?

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