Transitional provisions
4. Article 203 of the Pensions (Northern Ireland) Order 2005 (actuarial valuations and reports), in so far as it relates to a particular pension scheme, is to continue to have effect without the amendment made by paragraph 4 of Schedule 11 to the Pension Schemes Act 2021, until such time as that scheme obtains an actuarial valuation with an effective date on or after 22nd September 2024.
See Article 203 of the Pensions (Northern Ireland) Order 2005 for the meanings of “actuarial valuation” and “effective date”

Art. 4 in operation at made date