(1) Where a decision has been made to wind up the scheme or an event has occurred requiring the scheme to be wound up the trustees shall:
(a) as soon as possible but in any event not later than 12 weeks after such a decision has been made or the date on which the trustees first become aware or ought reasonably to have been aware that such an event has occurred notify the Pensions Board, all persons specified in sub-article (3) of this article and any authorised trade union which represents the members concerned of the decision or event;
(b) as soon as practicable after the resources of the scheme have been ascertained furnish each person specified in sub-article (3) of this article with information relating to the rights and options (if any) available to him as regards his benefit entitlements in accordance with the rules of the scheme respecting a winding up;
(c) as soon as practicable after the resources of the scheme have been applied furnish each person specified in sub-articl