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HMRC internal manual

International Manual

From
HM Revenue & Customs
Updated
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Controlled Foreign Companies: Computation of Chargeable Profits and Creditable Tax: Foreign exchange and currency account

The assumption of United Kingdom residence brings the overseas company within the foreign exchange gains and losses provisions of the Finance Acts. For accounting periods beginning on or after the 16 March 2005 rules on computing profits or losses where the functional currency is not in sterling can be found at CTA10/S6 to S9 (previously FA93/S92 to 92E).

CTA10/S9 requires an overseas company to compute profits and losses in its functional currency for an accounting period. The functional currency is the currency of the primary economic environment in which the company operates. A currency will only be recognised as a company’s functional currency if it is in accordance with GAAP to use that currency. Profits or losses should then be converted to sterling at the appropriate exchange rate (CTA10/S11)). It is sterling that will then be the base currency for computing chargeable profits or losses to be carried forward.