25.—(1) For the purposes of section 84(4)(b) of the 2021 Act (notification of triggering events), a trustee who is required to give a required notification under section 84(3) of the 2021 Act must notify each employer and any relevant former employer of the following matters—
(a)that the trustees—
(i)have submitted an implementation strategy to the Regulator and the date on which they did so, or
(ii)will submit an implementation strategy to the Regulator before the end of the period specified in regulation 26, and
(iii)in either case, will make the implementation strategy available to each employer and any relevant former employer after it has been approved by the Regulator;
(b)the timetable for future communications with each employer and any relevant former employer.
(2) Notifications under section 84 of the 2021 Act must be given before the end of—
(a)7 days (in the case of notifications to the Regulator);
(b)14 days (in the case of notifications to an employer or any relevant former employer), or
(c)2 days (in the case of notifications to trustees),
beginning with the date specified in paragraph (3).
(3) The specified date is—
(a)the date on which the triggering event occurred, in the case of—
(i)notifications given under section 84(1) of the 2021 Act—
(aa)by the employer or relevant former employer, in respect of an item 4 triggering event;
(bb)by the person who made the decision, in respect of an item 6 or 8 triggering event;
(ii)notifications given under section 84(7) or (8) of the 2021 Act;
(b)the date on which the employer or relevant former employer becomes aware that they are unlikely to continue as a going concern, in the case of notifications given under section 84(1) of the 2021 Act by the employer or relevant former employer in respect of an item 5 triggering event;#
(c)the date on which the person under the duty to notify became aware that the event had occurred, in the case of—
(i)notifications given under section 84(1) of the 2021 Act which are not mentioned in sub-paragraph (a)(i);
(ii)notifications given under section 84(3) or (9) of the 2021 Act.