For the purposes of section 28 of the Act, each of the following is prescribed as a type B drug of addiction--
(a) a drug of addiction that--(i) does not contain cannabis or tetrahydrocannabinols (when included in Schedule 8 of the Poisons List) or nabiximols, and(ii) is packaged and labelled in a manner that is consistent with the drug being intended for administration by injection, inhalation, spray or application to mucous membranes,
(a1) alprazolam,
(b) buprenorphine (other than in transdermal patches),
(c) dextromoramide,
(d) flunitrazepam,
(e) hydromorphone,
(f) methadone.