487.5.2R1. For the purposes of section 487.5.2 of the Act, a prescribed debt is(a) a debt contracted before 1 January 1974 and that bears interest at an annual rate that is less than 8% and that cannot be determined again after 31 December 1973; or
(b) for the period preceding the day on which the rate of interest can be determined again for the first time after 30 April 1987, a debt contracted before 1 January 1974 and that bears interest at an annual rate that is less than 8%, that can be determined again after 31 December 1973 but cannot be determined again before 1 May 1987.