It is one thing to say that, for the purpose of the crime of conspiracy, the essence of which is a combination to achieve an unlawful purpose, it must be shown that the parties to the conspiracy intended to achieve the purpose. It is a different thing to say that, if Parliament makes it an offence to agree to supply goods of a certain kind, the offence is only committed if the accused person has the intention of honouring the agreement. In such a case, the relevant intention is the intention to agree, not the intention to perform the agreement. This is underlined by the consideration that the concept of agreeing to supply appears in a legislative context in close proximity to the cognate concept of offering to supply, which has the meaning explained in Dendic."
14 Although there has been some question raised about whether an offence of supply is an appropriate way for the legislature to deal with behaviour involving an offer to supply drugs where there was no intention to do so, see R v Kalpaxis (2001) 122 A Crim R 320 at 323, the correctness of Dendic has not been doubted by this court. It was most recently considered in R v Salem (NSWCCA, 3 October 1997, unreported). Dendic was applied to the provisions of s 70 of the Drugs, Poisons and Controlled Substances Act 1981 by the Court of Criminal Appeal in Victoria in R v Pierce [1996] 2 VR 215. A similar view has been taken in Western Australia; see Tsargis v Regina (WACCA, 14 December 1998, unreported).
15 The submissions on behalf of the appellant argue that Addison was wrongly decided in that the reasoning in the last paragraph of Gleeson CJ's judgment, in the passage quoted above, erroneously proceeds on the basis that the offence created by Parliament was an offence of agreeing to supply a prohibited drug rather than the offence of supplying a prohibited drug, which is the offence contained in s 25(1) of the Act. The argument is that, because the offence of supply must contain as an element an intention to supply, so must any other offence under the section regardless of whether the allegation is based upon the extension to the meaning of "supply" contained in s 3 of the Act.
16 I do not believe that this argument should be accepted. The legislature has clearly intended that any conduct involving a prohibited drug should be covered by the Act. This intention is apparent, not only from the extension of the meaning of the word "supply" but also in the concept of "admixture" in s 4 and in the extended meaning of the phrase "take part in" provided in s 6. I see no reason why, therefore, the plain meaning should not be given to the words used in the extension of the meaning of the word "supply" in s 3. An offer, or an agreement, to supply does not necessarily carry with it an intention on the part of the moving party to fulfil the offer made or the agreement entered into. The present interpretation of "offer to supply" and "agreement to supply" is consistent with s 40 of the Act which provides that a substance which is represented as being a prohibited drug for the purpose of supplying the substance is deemed to be a prohibited drug.
17 As was noted by Wood CJ at CL in R v Yaghi (2002) 133 A Crim R 490: