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When you may need to make a change to your Self Assessment tax return for SEISS payments, and how to do it.
Use supplementary pages SA109 to record your residence and domicile status on your SA100 Tax Return.
How to get online help with Self Assessment from HMRC by using our digital assistant, community forums, YouTube videos and online tools.
Find out how well your organisation complies with the principles of the surveillance camera code of practice.
Learn more about getting started with Self Assessment including registration, tax returns, tax bills and payments.
Find out how to appeal an individual or partnership Self Assessment penalty. For example, either online or by post using forms SA370 or SA371.
Use supplementary pages SA103S to record self-employment income on your SA100 tax return if your annual business turnover was below the VAT threshold for the tax year.
You can claim tax relief on your Self Assessment return for contributions you make towards registered pension schemes.
Understand your Self Assessment tax bill - tax you owe, balancing payments, payments on account
Use this form if you're an agent and you're unable to file a Self Assessment tax return online for your client.
In one of her final speeches as CEO, Helen Stephenson reflects on 7 lessons she has learnt about the charity sector - one for each of her years in office.
Claiming Universal Credit if you're self-employed - eligibility, reporting your earnings, start up periods
If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest
Use form SA800 to file a Partnership Tax Return.
Use supplementary pages SA106 to record foreign income and gains on your SA100 Tax Return.
Guidance, forms and helpsheets for Self Assessment. Including filing returns, paying your bill, refunds, penalties, and help and support.
Use supplementary pages SA104F to record full partnership income on your SA100 tax return.
Use the SA303 form to apply to reduce your Self Assessment payments on account.
Use supplementary pages SA104S to record a short version of partnership income on your SA100 Tax Return.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
Don’t include personal or financial information like your National Insurance number or credit card details.
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