Tell HMRC about unpaid tax on cryptoassets

Written by Katie
May 27, 2025
Business News

Make a voluntary disclosure of any unpaid tax if you have income or gains from cryptoassets, including exchange tokens, NFT’s and utility tokens.

Use this service if you have identified that you have any unpaid tax on cryptoassets (also known as tokens or cryptocurrencies), for example:

exchange tokens (for example, bitcoin)
NFTs (non-fungible tokens)
utility tokens

If you do not contact us to declare your unpaid tax, you could be liable to additional interest and penalties.

If you need to declare any income or gains from the current or previous tax year, you will need to do this on your Self Assessment tax return.

Find out how to make a voluntary disclosure for unpaid tax if it is not from cryptoassets.

If you want an agent to submit a disclosure on your behalf, you will need to give them temporary authorisation to deal with your tax.

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