CTM90610 | Corporation tax self-assessment (CTSA): Claims and elections: Time limits

From HM Revenue & Customs · Company Taxation Manual

The general time limit for making a claim for relief is four years from the end of the accounting period to which the claim relates ().

However, any specific time limit applying for a particular claim over-rides this general time limit.

The accounting period to which a claim “relates” is the period in which the event giving rise to the claim occurs.

Example

  • A Ltd has a trading loss for the accounting period ended 31 December 2019 and claims under to set it off against profits for the accounting period ended 31 December 2018.

  • The claim relates to the accounting period ended 31 December 2019 in which the loss occurred. contains a specific time limit to make the claim “within the period of two years after the end of the loss-making period”, which overrides the general time limit in .

  • The company must make the loss relief claim by 31 December 2021.