26. Where the trustees of a collective money purchase scheme are required to submit an implementation strategy to the Regulator for approval, it must be submitted before the end of 28 days beginning with the date on which—
(a)the decision to withdraw authorisation becomes final, in relation to an item 1 or 2 triggering event, or
(b)the triggering event occurred, in relation to an item 3 to 9 triggering event.