30. (1) The Governor in Council may make regulations for carrying the purposes and provisions of this Act into effect, and, in particular, but without restricting the generality of the foregoing, may make regulations
(a) declaring that any food or drug or class of food or drugs is adulterated if any prescribed substance or class of substances is present therein or has been added thereto or extracted or omitted therefrom;
(b) respecting
(i) the labelling and packaging and the offering, exposing and advertising for sale of food, drugs, cosmetics and devices,
(ii) the size, dimensions, fill and other specifications of packages of food, drugs, cosmetics and devices,
(iii) the sale or the conditions of sale of any food, drug, cosmetic or device, and
(iv) the use of any substance as an ingredient in any food, drug, cosmetic or device,
to prevent the purchaser or consumer thereof from being deceived or misled in respect of the design, construction, performance, intended use, quantity, character, value, composition, merit or safety thereof, or to prevent injury to the health of the purchaser or consumer;