127 Substances prescribed as drugs for the purposes of the definition of “drug” in Dictionary to Act
(cf MTR, r 130B)
For the purposes of paragraph (c) of the definition of drug in the Dictionary to the Act, the following are prescribed as drugs:(a) substances listed in Schedule 4, and(b) substances that are salts, isomers, esters or ethers of any of the substances so listed or that are salts of those isomers, esters or ethers.

Clause 127