21.4.24. A pre-transition debt of a taxpayer that is denominated in a currency other than the taxpayer’s elected functional currency is deemed to have been issued immediately before the taxpayer’s first functional currency year for the purpose of(a) computing the amount of the taxpayer’s income, gain or loss, for a functional currency year of the taxpayer (other than an amount that section 21.4.25 deems to arise), that is attributable to a fluctuation in the value of a currency; and
(b) applying subparagraph l of the first paragraph of section 485.3 in respect of a functional currency year of the taxpayer.