Author: Bill Doogue
Practice area: Commonwealth offences
Bill is a founding Director of Doogue + George, ranked by Doyle's Guide as a Preeminent Criminal Defence Lawyer in Victoria (2026) and an LIV Accredited Criminal Law Specialist since 1998 with over 30 years of experience in complex criminal and corporate matters. His depth of experience in this area means clients receive accurate, considered advice.
View full profile →Bill authored this content and last revised it for accuracy on 6 August 2026.
What is the offence of Possessing Marketable Quantities of Unlawfully Imported Border Controlled Drugs or Border Controlled Plants?
This Commonwealth offence under section 307.6 of the Criminal Code Act 1995 (Cth) targets serious drug importation matters where a person is found with a commercially significant amount of a prohibited substance that has been brought into Australia unlawfully. It addresses possession connected to cross-border drug activity.
Key points
- Elements: Possession, unlawful importation, a border-controlled drug or plant, and a marketable quantity.
- Type of conduct: Having custody or control of unlawfully imported drugs or plants at or above the marketable threshold.
- Court level: Typically heard in the County Court of Victoria.
The maximum penalty for Possessing Marketable Quantities of Unlawfully Imported Border Controlled Drugs or Border Controlled Plants is 25 years’ imprisonment or 5,000 penalty units ($1,045,500 as at 2026-27), or both.
Common defences may include lack of knowledge, disputing possession, and challenging the alleged quantity.
There are 209 drugs currently listed in the Commonwealth Code Regulations as border controlled drugs and seven types of plants listed as border controlled plants. It is important to pay close attention to the type of drug or plant you have been charged with possessing as well as the quantity, as that can make a huge difference in establishing the charge.
It is important to get legal assistance as soon as you have been charged with this offence. We appear regularly in Commonwealth drug offence matters and can help you.
Police Interview
Due to the seriousness of this offence, it is important to seek legal advice from an experienced criminal lawyer before engaging in a police interview. We can assist you by discussing any advantages or disadvantages of engaging in a police interview. Going to a police interview is stressful so it is best to arm yourself with as much knowledge as possible prior to attending. We can also accompany you to the police interview.
Pleading Not Guilty
Just because you have been charged with this offence does not mean you should plead guilty. It is important to speak to an experienced lawyer who can assess all the evidence against you before you enter a plea. We regularly deal with these types of complex matters and can go through this charge and the evidence with you. If you plead not guilty we can develop a strategy for your case and have experienced lawyers represent you in court.
Pleading Guilty
You may decide that the best outcome for you will be pleading guilty to this charge. Given its serious nature and the risk of imprisonment, it is important to engage a lawyer to represent you.
We conduct pleas on behalf of our clients every day. We will be able to assist you in trying to receive the best possible outcome by closely considering the facts of your case, advising you of any programs or counselling to engage in prior to court and collecting other supporting evidence.
Which court will the case be heard in?
This offence is typically dealt with in the County Court of Victoria.
Examples of Possessing Marketable Quantities of Unlawfully Imported Border Controlled Drugs or Border Controlled Plants
- Having a border-controlled substance, such as cannabis, in a suitcase at an airport;
- Having a border-controlled substance, such as cannabis, in a shipping container;
What is the legal definition of Possessing Marketable Quantities of Unlawfully Imported Border Controlled Drugs or Border Controlled Plants?
Section 301.4 of the Criminal Code defines a ‘border-controlled drug’ as:
a substance, other than a growing plant, that is:
- listed by a regulation as a border-controlled drug; or
- a drug analogue of a listed border-controlled drug; or
- determined by the AFP Minister as a border-controlled drug under section 301.13 (which deals with emergency determinations of serious drugs)
Section 301.4 of the Criminal Code defines a ‘border controlled plant’ as:
- listed by a regulation as a border controlled plant; or
- determined by the AFP Minister as a border controlled plant under section 301.13 (which deals with emergency determinations of serious drugs).
Legislation
The legislation for this offence can be found on section 307.6 of Criminal Code Act 1995.
Elements of the offence
The Prosecution must prove the following elements beyond reasonable doubt to establish this offence:
- the person possesses a substance; and
- the substance was unlawfully imported; and
- the substance is a border-controlled drug or a border-controlled plant; and
- the quantity possessed is a marketable quantity.
Please note that the burden is on the defence to prove that he/she did not intend to sell the border-controlled substance.
Can the Prosecution prove that you were in possession of a marketable quantity of a controlled substance?
13.5 Standard of proof – defence
A legal burden of proof on the defendant must be discharged on the balance of probabilities.
Defences
The following defences are available to a person charged with this offence:
- Lack of knowledge;
- The accused did not possess the substance; or
- There is a factual dispute as to the quantity of the substance imported.
Questions in cases like this
- Were you aware that you were in possession of a marketable quantity of a border-controlled substance?
- Where was the border-controlled substance located?
- What is the quantity of the border-controlled substance?
Questions the Judge Might Ask the Jury
- Are you satisfied that the amount of border-controlled substance was a marketable quantity?
- Are you satisfied, on the balance of probabilities, that the accused did not intend to sell the border-controlled substance?
- Are you satisfied that the accused was reckless as to the substance being a border-controlled drug or border controlled plant?
- Are you satisfied that one drug is a chemical derivative of a listed prohibited drug? It will require expert evidence which will examine matters such as whether one drug can be made from another and whether one drug is structurally related to another (see Daley v Tasmania (2012) 21 Tas R 247; [2012] TASCCA 4; Clegg v Western Australia (No 2) [2017] WASCA 30).1
You should call us and discuss your case with one of our experienced lawyers if you have been charged. Deciding on whether to plead guilty or not has important implications for you and should be made after proper discussions with a criminal lawyer.
Maximum penalty for section 307.6 of the Commonwealth Criminal Code
Any person found guilty of (s307.6 of the Commonwealth Criminal Code) may be sentenced to a maximum penalty of imprisonment for 25 years or a fine of 5,000 penalty units ($1,045,500 as at 2026-27), or both.
Other important resources
FAQ About Possessing Marketable Quantities of Unlawfully Imported Border Controlled Drugs or Border Controlled Plants
What is a drug analogue in the context of border-controlled drugs?
Who has the power to determine whether a substance is a border-controlled drug or plant?
Does this offence apply only to drugs, or also to plants?
Why is the classification of the substance important in a Commonwealth drug charge?
How does unlawful importation connect to a possession charge?
[1] http://www.judicialcollege.vic.edu.au/eManuals/CCB/53811.htm

















