An operator must submit a proposed revision of an environment plan for a petroleum activity to the Minister at least 14 days before the end of each period of 5 years, commencing on whichever of the following dates is the latest:

(a) the date on which the environment plan is first accepted;

(b) the date on which the proposed revision of the environment plan is accepted;

(c) in the case of the proposed revision of an environment plan submitted to the Minister under regulation 23 , the date on which the proposed revision was so submitted;

(d) in the case of the proposed revision of an environment plan requested by the Minister under regulation 24 , the date on which the proposed revision was submitted to the Minister under that regulation.