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Use this technical documentation for individual returns if you're a software developer working with the Self Assessment online service.
Understand your Self Assessment tax bill - tax you owe, balancing payments, payments on account
HMRC will focus its Self Assessment helpline on priority queries from 11 December until 31 January.
Use supplementary pages SA103F to record self-employment income on your SA100 Tax Return if your annual turnover was above the VAT threshold for the tax year.
Documents submitted to MHRA requesting exceptional use authorisation for a self-use LFD and the response to MHRA incident reference 2021/006/011/601/004.
Use supplementary pages SA109 to record your residence and domicile status on your SA100 Tax Return.
Find out how to do a rapid lateral flow test for COVID-19. Rapid lateral flow tests show the result on a device that comes with the test.
Upper Tribunal Tax and Chancery decision of Judge Rupert Jones and Judge Guy Brannan on 08 May 2024
Find information about tax and National Insurance contributions for MPs and ministers.
Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
Use supplementary pages SA107 to record income you received from a trust, settlement or deceased person's estate on your SA100 tax return.
This self-assessment checklist helps academy trusts check they are managing resources effectively and identify any adjustments they need to make.
Research on evaluating guidance material for customers filing online for the first time.
Calling and holding a public examination in court of a bankrupt or director under the insolvency legislation
Check the availability and any issues affecting the Self Assessment online service.
Findings from qualitative research conducted to test understanding and improve the customer experience.
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