(1)  Except in sections 56K and 56L , a reference in this Division to the supply of a needle or syringe does not include a reference to the supply of a needle or syringe –

(a) for lawful medical treatment purposes or veterinary treatment purposes; or

(b) to or by a wholesaler of needles or syringes; or

(c) to a person for the purpose of enabling the disposal of the needle or syringe; or

(d) to a member of a class of persons prescribed for the purposes of this section.

(2)  For the purposes of this Division, apart from subsection (1) and section 56L(2) , the supply to a person of a needle or syringe –

(a) at premises of an organised distributor, including by way of a dispensing machine at premises of an organised distributor; or

(b) by post, or personal delivery, by a certified person acting on behalf of an organised distributor –

is to be taken to be a supply to the person by the organised distributor.

(3)  For the purposes of this Division, other than subsection (1) , the supply of a needle or syringe by a person, to another person, by post is to be taken to be a supply to the other person by a certified person if the supply is carried out at the direction of a certified person.