Use Making Tax Digital for Income Tax

Help and support

Find help, including from HMRC, if you need it.

You can get different types of support when using Making Tax Digital for Income Tax depending on what you need help with and which tax year it relates to.

Help and support for the 2026 to 2027 tax year

Our guidance explains what you need to do from when you have signed up for Making Tax Digital for Income Tax, to submitting your first tax return using the service.

It includes:

• useful information such as new things you need to do for Making Tax Digital for Income Tax and an overview of your first year

• how to get your software ready

• how to access your Making Tax Digital for Income Tax service and what you can do in your online account

• how to create digital records and send quarterly updates

• how to adjust your self-employment and property income

• how to submit your tax return and what to include

• what to do if your circumstances change

Ask your software provider for help with your software

HMRC cannot give advice about specific software products. Each product will work differently depending on how the software provider has developed it.

Your software provider should have guidance on how to use their software. Contact your provider directly if you need any additional support.

If you’ve not signed up yet

If you or your client have not yet signed up, you can find out more using Making Tax Digital for Income Tax or our step by step guides can help you understand the actions to take first:

• Making Tax Digital for Income Tax for sole traders and landlords: step by step

• Making Tax Digital for Income Tax as an agent: step by step

If you need more support

If you cannot find the support you need in this guide, you can contact:

• Self Assessment: general enquiries

• the agent dedicated line (if you’re an agent)

If you started using Making Tax Digital for Income Tax before April 2026

If you or your client signed up to test Making Tax Digital for Income Tax for either the 2024 to 2025 or 2025 to 2026 tax years, then you can get support from HMRC’s dedicated customer support team.

They can help with any queries that you have in relation to those tax years.

The customer support team’s phone number is in the letter you received confirming you’d signed up to Making Tax Digital for Income Tax.

The team can help with:

• income and expenses to include in quarterly updates

• support with submitting the 2025 to 2026 tax return (due by 31 January 2027)

• payments and refunds

• deadlines

• penalties

• reporting of errors in calculations, statements, and payments resulting from submissions

• Self Assessment and Capital Gains Tax including the years before you or your client started using Making Tax Digital for Income Tax

The team cannot help with queries that are about:

• the 2026 to 2027 tax year and later tax years

• Corporation Tax, VAT, or National Insurance (except for Self Assessment)

• software product advice — contact your software provider directly for support