851.22.4R1. In this chapter,
“fixed payment obligation” of a taxpayer means a specified debt obligation under which(a) the amount and timing of each payment to be made by the debtor, other than a fee or similar payment or an amount payable because of a default by the debtor, were fixed when the taxpayer acquired the obligation and have not been changed; and
(b) all payments are to be made in the same currency;
“primary currency” of a specified debt obligation means the currency with which the obligation is primarily connected or, if there is no such currency, Canadian currency;
“specified debt obligation” has the meaning assigned by the first paragraph of section 851.22.1 of the Act;
“tax basis” of a specified debt obligation at any time to a taxpayer has the meaning assigned by section 851.22.7 of the Act;
“total return” of a taxpayer from a fixed payment obligation means the amount, measured in the primary currency of the obligation, by which the total of all amounts each of which is the amount of a payment, other than a fee or similar payment, required to be made by the debtor under the obligation after its acquisition by the taxpayer, exceeds the cost to the taxpayer of the obligation.