For the purposes of this Part, a person is involved in a contravention if, and only if, the person has:
(a) aided, abetted, counselled or procured the contravention; or
(b) induced, whether by threats or promises or otherwise, the contravention; or
(c) been in any way, by act or omission, directly or indirectly, knowingly concerned in or party to the contravention; or
(d) conspired with others to effect the contravention.