HMRC is writing to taxpayers who made a provisional business asset roll-over relief (ROR) claim on asset sales in 2020/21 and haven't replaced it with a valid claim. The deadline for making a valid claim is 31 January 2025. If a valid claim isn't made by then, HMRC will withdraw the provisional claim, making the deferred capital gains tax (CGT) payable.

Taxpayers may claim business asset roll-over relief (ROR) when selling a business asset if they buy a qualifying asset within a set period. This claim defers CGT on the sale. If taxpayers intend to buy a qualifying asset but haven't done so when needing to claim ROR, they can make a provisional claim. They must replace this with a valid claim once they buy the asset.

HMRC advises taxpayers to respond if they have bought or will buy a qualifying asset by 31 January 2025 and notify HMRC by completing form HS290 for 2020/21. If unable to use the form, they should reply to HMRC's letter with the requested information.

HMRC has also urged claimants to contact HMRC now if they haven't bought a qualifying asset and don't intend to by 31 January 2025. HMRC will withdraw the provisional claim and send an assessment for any owed tax and interest. Prompt action will reduce the interest payable.

HMRC may extend the period to acquire the qualifying asset, with conditions outlined in their letter. Claims made after 31 January 2025 will be considered on a case-by-case basis.

Later in the year, HMRC will write to taxpayers who haven't replaced provisional claims for 2021/22. The deadline for valid claims for 2021/22 is 31 January 2026.

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