In this Part, unless the contrary intention appears –

new drug means a drug –

(a) that is not included in the latest edition for the time being of –

(i) the British Pharmacopoeia ;

(ii) the British Pharmaceutical Codex ; or

(iii) the United States Pharmacopoeia ; or

(b) being a drug that is or contains a scheduled substance, in relation to which the method of manufacture, composition, route of administration, or indications for use is or are changed after the day on which that substance is first specified in a schedule to the Poisons List.