In this part:
"drug offence" means—
(a) an offence against this chapter (other than this part); or
(b) conduct in another jurisdiction that is an offence in that jurisdiction and would be an offence against this chapter (other than this part) if the conduct happened in the ACT; or
(c) conduct before the commencement of this chapter that would be an offence against this chapter (other than this part) if the conduct happened after the commencement of this chapter.