(1) The market administrator must make its determination under regulation 18 expeditiously and in a fair and reasonable manner.
(2) If regulation 18(2)(a) applies, the market administrator must notify the following parties of its determination as soon as practicable:
(a) the notifying participant or other person that gave the breach notice; and
(b) the participant allegedly in breach; and
(c) any other participant that has joined as a party to the breach notice under regulation 13.