(1) The Minister may make a written determination fixing a rate for the purposes of paragraph ( a) of the definition of statutory rate in section 3.
(2) The Minister may make a written determination fixing a rate for the purposes of paragraph ( d) of the definition of statutory rate in section 3.
(3) A determination under subsection ( 1) or (2) may provide that a rate is to be fixed using a method of indexation set out in the determination .