Person making application to notify other parties
5.—(1)  Where a party to an agreement wishes to make or makes an application for guidance under section 43 of the Act or for a decision under section 44 of the Act, he shall give notice to all other parties to the agreement of whom he knows —
(a)that the application will be or has been made; and
(b)as to whether the application will be or is for guidance or for a decision.
(2)  Where a person wishes to make or makes an application for guidance under section 50 of the Act or for a decision under section 51 of the Act in respect of his conduct, being conduct involving one or more other persons, he shall give notice to all other persons who are engaged in the conduct of whom he knows —
(a)that the application will be or has been made; and
(b)as to whether the application will be or is for guidance or for a decision.
(3)  Where a party to an anticipated merger wishes to make or makes an application under section 57 of the Act, he shall give notice to all other parties to the anticipated merger of whom he knows that the application will be or has been made.
(4)  Where a party involved in a merger wishes to make or makes an application under section 58 of the Act, he shall give notice to all other parties involved in the merger of whom he knows that the application will be or has been made.
(5)  Notices under paragraphs (1) to (4) shall be given —
(a)in the case of paragraphs (1) and (2), no later than 7 working days from the date on which the applicant submits the form referred to in regulation 6(1)(a); and
(b)in the case of paragraphs (3) and (4), no later than 2 working days from the date on which the applicant submits the form referred to in regulation 6(1)(b).
(6)  The applicant shall provide a copy of any notice given under paragraph (1), (2), (3) or (4) to the Commission —
(a)where the notice is given before the applicant submits the form referred to in regulation 6(1)(a) or (b), on the date of the submission of the form; and
(b)where the notice is given on the same date as the date on which the applicant submits the form referred to in regulation 6(1)(a) or (b), or (subject to paragraph (5)) on a date subsequent thereto, within 2 working days from the date of the notification.
(7)  If the applicant is unable, despite the exercise of due diligence, to contact the other parties or persons as required under this regulation, the Commission may, if it considers appropriate, require the applicant to notify such other parties or persons in such mode and manner as the Commission may specify.