(1) The law to be applied with respect to any pension benefits that were granted to any person before the commencement of this Constitution shall be the law that was in force at the date on which those benefits were granted or any law in force at a later date that is not less favourable to that person.
(2) The law to be applied with respect to any pension benefits (not being benefits to which subsection (1) applies) shall—
(a) in so far as those benefits are wholly in respect of a period of service as a judge or officer of the Supreme Court or a public officer that commenced before the commencement of this Constitution, be the law that was in force at such commencement; and
(b) in so far as those benefits are wholly or partly in respect of a period of service as a judge or officer of the Supreme Court or a public officer that commenced after the commencement of this Constitution, be the law in force on the date on which that period of service commenced,
or any law in force at a later date that is not less favourable to that person.
(3) Where a person is entitled to exercise an option as to which of 2 or more laws shall apply in his or her case, the law for which he or she opts shall, for the purposes of this section, be deemed to be more favourable to him or her than the other law or laws.
(4) All pension benefits shall (except to the extent that they are by law charged upon and duly paid out of some other fund) be a charge on the Consolidated Fund.
(5) In this section “pension benefits” means any pensions, compensation, gratuities or other like allowances for persons in respect of their service as judges or officers of the Supreme Court or public officers or for the widows, children, dependants or personal representatives of such persons in respect of such service.
(6) References in this section to the law with respect to pension benefits include (without prejudice to their generality) references to the law regulating the circumstances in which such benefits may be granted or in which the grant of such benefits may be refused, the law regulating the circumstances in which any such benefits that have been granted may be withheld, reduced in amount or suspended and the law regulating the amount of any such benefits.