15.—(1) Subject to paragraphs (2) and (3), these Regulations and the Rules of Procedure contained in Schedules 1 to 3 apply in relation to all proceedings to which they relate.
(2) Where a respondent receives from a Tribunal a copy of the claim form before 29th July 2013, rules 23 to 25 of Schedule 1 do not apply to the proceedings and rule 7 of Schedule 1 to the 2004 Regulations continues to apply.
(3) Where in accordance with Schedules 3 to 5 of the 2004 Regulations, a notice of appeal was presented to a Tribunal before 29th July 2013, Schedule 1 does not apply to the proceedings and Schedule 3, 4 or 5, as appropriate, of the 2004 Regulations continues to apply.