13. Where—
(a)immediately before the commencement date, the trustees or managers of the scheme were required under Article 41(1)(a) and (2)(c) of the 1995 Order and regulation 30 of the 1996 Regulations (ongoing actuarial valuations and statements) to obtain an actuarial valuation within a period ending on or after the commencement date, and an accompanying statement in the form set out in Schedule 6 to those Regulations, and
(b)they have determined before that date, or determine subsequently, that the valuation should be obtained by reference to an effective date before 22nd September 2005,
those provisions shall apply to the scheme on and after the commencement date in respect of that valuation and statement.