Guidance and regulation

Find out when you can expect to receive a reply from HMRC to a query or request you've made.

• From: HM Revenue & Customs
• Updated: 10 May 2023

Find and use tools and calculators that will help you work out your tax.

• From: HM Revenue & Customs
• Updated: 28 March 2024

Find out how to appeal an individual or partnership Self Assessment penalty. For example, either online or by post using forms SA370 or SA371.

• From: HM Revenue & Customs
• Updated: 23 January 2024

Use form SA1 to register for Self Assessment for any reason other than self-employment.

• From: HM Revenue & Customs
• Updated: 6 April 2024

Find out about tax relief available when you sell or dispose of your main home.

• From: HM Revenue & Customs
• Updated: 6 April 2024

How to get online help with Self Assessment from HMRC by using our digital assistant, community forums, YouTube videos and online tools.

• From: HM Revenue & Customs
• Updated: 22 September 2023

Get help to make a Time to Pay arrangement if you are an individual or business who owes a debt to HMRC.

• From: HM Revenue & Customs
• Updated: 4 November 2021

Find software suppliers for tax returns, supplementary pages and attachments.

• From: HM Revenue & Customs
• Updated: 25 April 2024

When and how to include Overlap Relief in your 2023 to 2024 tax return if you have transition profit.

• From: HM Revenue & Customs
• Updated: 11 October 2023

Find out about the Rent a Room Scheme if you're a trader, owner occupier or tenant.

• From: HM Revenue & Customs
• Updated: 6 April 2024

Learn more about getting started with Self Assessment including registration, tax returns, tax bills and payments.

• From: HM Revenue & Customs
• Updated: 18 March 2024

How to report profit on your Self Assessment tax return from 2023 to 2024 if your accounting year does not end on or between 31 March to 5 April.

• From: HM Revenue & Customs
• Updated: 11 September 2023

Learn more about getting started as an employer or running a small business including registration, payroll, tax returns, tax bills and payments.

• From: HM Revenue & Customs
• Updated: 8 April 2024

Find help about filling in the Capital Gains Tax summary pages of your tax return when someone dies.

• From: HM Revenue & Customs
• Updated: 6 April 2024

Use Self Assessment software to help populate your Self Assessment tax return.

• From: HM Revenue & Customs
• Updated: 1 May 2019

Find out how gifts are treated for Capital Gains Tax.

• From: HM Revenue & Customs
• Updated: 6 April 2024

Find out about Capital gains if you sell or dispose of a shareholding.

• From: HM Revenue & Customs
• Updated: 6 April 2024

Find out how to calculate your taxable profits.

• From: HM Revenue & Customs
• Updated: 11 April 2024

Find out about tax reliefs and allowances available from HMRC if you run a business, employ people or are self-employed.

• From: HM Revenue & Customs
• Updated: 31 October 2022

Learn more about your responsibilities if you're running a small business including registration, tax returns, record keeping, tax bills and payments.

• From: HM Revenue & Customs
• Updated: 16 April 2024