(1)The Board may alter a rate of interest which is for the time being specified in a provision made by or under this Measure.
(2)The power to make an alteration under subsection (1) includes power to decide the date on which the alteration takes effect; and that date may be before the date of the decision.
(3)The Board may not make an alteration under subsection (1) unless—
(a)it has obtained the advice of an actuary, and
(b)the General Synod has by resolution approved the alteration.