Versions of s. 261(4)(c)

subject to subsection 79(7), paragraphs 80(2)(k) and 142.7(8)(b), if a particular amount that is relevant in computing the taxpayer’s Canadian tax results for the particular taxation year is an amount expressed in a currency other than the taxpayer’s functional currency for the particular taxation year, that amount is to be converted to an amount expressed in the taxpayer’s functional currency for the particular taxation year by using the rates of exchange quoted by the Bank of Canada at noon on the day that the particular amount first arose for the exchange of the Canadian dollar for a unit of each of those currencies or such other rate of exchange as is acceptable to the Minister;