Only the person or company responsible for transporting the substance from one place to another would be committing the offence, not someone who is merely watching it happen.
Liberal
Patrick Weiler Liberal West Vancouver—Sunshine Coast—Sea to Sky Country, BC
Only the person or company responsible for transporting the substance from one place to another would be committing the offence, not someone who is merely watching it happen.
See context to find out what was said next.