(1)  A declaration of a prescribed arrangement under regulation 3(3) may provide that, on and from a day specified in the declaration, regulation 60 is to have effect in respect of the rights and entitlements of all contributors whose terms of employment are affected by the prescribed arrangement.

(2)  If the declaration provides that regulation 60 is to have effect, the declaration is to specify a commencement day for the purposes of that regulation and, on publication of the declaration, the application of that regulation extends to the contributors accordingly.