In this part:
"drug"—
(a) means—
(i) a controlled drug under the Criminal Code
, section 600; or
(ii) a substance prescribed by regulation; but
(b) does not include any of the following:
(i) a drug lawfully supplied, and taken as prescribed or directed, by a health practitioner;
(ii) a drug lawfully supplied and self-administered;
(iii) a drug exempted under section 236 (3).
"non-treating nurse" means a nurse authorised under section 98.
"positive test sample"—see section 236.
"test sample" means a sample of breath, saliva, urine, hair, blood, or anything else prescribed by regulation.