4. For the purposes of—
(a)Article 46 (creation of state scheme pension debits and credits);
(b)section 45B (reduction of additional pension in Category A retirement pension: pension sharing);
(c)section 55A (shared additional pension), and
(d)section 55B (reduction of shared additional pension: pension sharing),
cash equivalents shall be calculated and verified in such manner as may be approved by or on behalf of the Government Actuary.