A person is involved in a contravention if, and only if, the person:

(a)

has aided, abetted, counselled or procured the contravention; or

(b)

has induced, whether by threats or promises or otherwise, the contravention; or

(c)

has been in any way, by act or omission, directly or indirectly, knowingly concerned in, or party to, the contravention; or

(d)

has conspired with others to effect the contravention.