(1) A person has overall control in relation to an activity or series of activities (including ancillary activities) if the person has the authority to introduce and implement any or all of the following for the activity or series of activities:
(a) operating policies;
(b) health and safety policies;
(c) environmental policies.
(2) If more than one person could satisfy subregulation (1) at any one time, then the person that has the greatest authority to introduce and implement the policies mentioned in paragraphs (1)(a) and (c) is taken, for the purposes of these Regulations, to have overall control in relation to the activity or series of activities (including ancillary activities).