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HMRC internal manual

Company Taxation Manual

Corporation Tax self-assessment (CTSA): Assessments: Discovery - affecting another company or accounting period

FA98/SCH18/PARA41 (2) also provides for the making of ‘discovery determination’ when a discovery:

  • relates to overstated losses or overclaimed overstated relief and
  • leads (or may lead) to additional tax liability either for a different period from that to which the discovery relates or for a different company.