By James Stevens, Director and Solicitor, Go To Court Lawyers. Last reviewed 10 April 2026.

Need a Criminal Law lawyer in SA?

Speak to a qualified local lawyer today. Free 24/7 hotline or book a consultation.

Drug supply charges in South Australia are fundamentally different from possession charges and carry devastating penalties that can destroy your career, freedom, and future. If police found drugs in your possession, the quantity determines whether you face simple possession or supply charges - and this distinction often becomes the most critical factor in your case. You need specialist legal advice immediately because supply charges can result in lengthy prison sentences, massive fines, and permanent criminal records that affect employment, travel, and professional licensing forever.

Do You Need a Lawyer?

Yes, you absolutely need a criminal lawyer for drug supply charges in South Australia. Supply charges are serious criminal offences that prosecutors pursue aggressively, and the courts impose harsh penalties including immediate imprisonment. Without expert legal representation, you risk pleading guilty to charges that could be reduced to possession, accepting facts that overstate your involvement, or missing critical defences around intent to supply.

A specialist drug lawyer can challenge the prosecution's evidence about your intention to supply, argue for reclassification from supply to possession based on quantity and circumstances, negotiate with prosecutors for reduced charges, and present compelling mitigation that keeps you out of prison. The difference between possession and supply charges often determines whether you receive a fine or face years in prison.

Drug supply cases involve complex legal issues around deemed supply quantities, trafficking thresholds, and intention evidence. Police often upgrade possession charges to supply based solely on quantity, but experienced lawyers successfully challenge these assumptions in court every day. Call 1300 636 846 now for urgent advice about your specific situation.

What Happens Next - The Process

Understanding the court process helps you prepare for what lies ahead and take action to protect your future:

  1. Police Investigation and Charges: Police lay drug supply charges based on quantity found, packaging, messages on your phone, or witness statements. They often charge supply when possession would be more appropriate.
  2. First Court Appearance: You appear at Adelaide Magistrates Court or your local Magistrates Court within 4-6 weeks of being charged. This hearing sets future dates and determines bail conditions.
  3. Brief of Evidence: Prosecutors provide evidence including police statements, forensic reports, phone records, and witness statements. Your lawyer reviews this for weaknesses and incorrect assumptions about supply.
  4. Plea Negotiations: Your lawyer negotiates with prosecutors to reduce charges from supply to possession, challenge deemed supply quantities, or agree on facts that minimize your involvement.
  5. Hearing or Trial: If the matter proceeds to hearing, the prosecution must prove you intended to supply drugs beyond reasonable doubt. Supply cases often turn on circumstantial evidence that experienced lawyers successfully challenge.
  6. Sentencing: If found guilty, the court considers your criminal history, personal circumstances, remorse, and rehabilitation efforts. Drug supply convictions often result in immediate imprisonment without expert mitigation.

This process typically takes 4-8 months from first court appearance to final resolution. Early legal intervention dramatically improves outcomes by challenging inappropriate charges before you enter any pleas. Contact Go To Court Lawyers immediately at 1300 636 846 to discuss your case.

The Law in South Australia

Drug supply charges in South Australia are prosecuted under the Controlled Substances Act 1984 (SA), which creates critical distinctions between possession and supply that determine penalties and long-term consequences.

Supply vs Possession - The Critical Difference:
Simple possession involves having drugs for personal use only. Supply means providing, distributing, or intending to provide drugs to another person, even without payment. The prosecution must prove intention to supply beyond your own personal use.

Deemed Supply by Quantity:
South Australian law creates automatic presumptions of supply based on drug quantities, regardless of your actual intentions:

  • Cannabis: 100 grams or more (plant material) or 20 grams or more (resin)
  • Methamphetamine: 2 grams or more
  • Cocaine: 2 grams or more
  • Heroin: 2 grams or more
  • MDMA/Ecstasy: 0.75 grams or more
  • LSD: 0.002 grams or more

These deemed supply quantities can catch regular users who purchase larger amounts for personal consumption. However, you can rebut these presumptions with evidence proving personal use only.

Trafficking Thresholds:
Large quantity trafficking charges apply at much higher amounts and carry maximum penalties of life imprisonment. Commercial trafficking thresholds are typically 10-20 times the deemed supply quantities listed above.

Penalties for Supply:

  • Basic drug supply: Maximum 15 years imprisonment and/or $500,000 fine
  • Supply to a minor: Maximum 20 years imprisonment and/or $750,000 fine
  • Commercial trafficking: Maximum life imprisonment and/or $1,000,000 fine
  • Simple possession: Maximum 2 years imprisonment and/or $2,000 fine

These dramatic penalty differences explain why the distinction between possession and supply becomes the most important issue in most drug cases. A lawyer's ability to challenge supply charges and achieve possession outcomes can save you from years in prison.

Mistakes to Avoid

These critical errors destroy drug supply defences and lead to unnecessary convictions and harsh sentences:

1. Admitting Intent to Supply During Police Interview:
Many people admit supplying small amounts to friends, thinking honesty will help their case. Police use these admissions to prove supply charges that lawyers could have successfully challenged. Exercise your right to silence and request a lawyer before any interview.

2. Accepting Deemed Supply Presumptions Without Challenge:
People often plead guilty to supply charges simply because quantities exceed deemed supply thresholds. Experienced lawyers regularly rebut these presumptions with evidence of personal use, including consumption patterns, tolerance levels, financial circumstances, and purchase history.

3. Ignoring Phone Evidence and Messages:
Prosecutors rely heavily on text messages, call records, and social media to prove supply intentions. People often dismiss this evidence as irrelevant, but courts interpret references to "catching up," monetary amounts, or meeting arrangements as supply evidence. Your lawyer must address this evidence strategically.

4. Pleading Guilty in Local Court Without Exploring Options:
Magistrates often sentence more harshly for drug supply than District Court judges who hear complex drug cases regularly. Rushing to plead guilty in the first available court prevents proper case analysis and may result in harsher penalties than necessary.

5. Failing to Prepare Comprehensive Character and Rehabilitation Evidence:
Drug supply cases require extensive mitigation evidence including character references, employment records, rehabilitation efforts, and personal circumstances. Courts impose immediate imprisonment without compelling evidence that you're addressing underlying issues and contributing positively to society.

Each of these mistakes can turn a manageable possession case into a supply conviction with life-changing consequences. Call 1300 636 846 immediately to avoid these costly errors.

Likely Outcomes and Costs

With Expert Legal Representation:
Specialist drug lawyers achieve dramatically better outcomes by challenging inappropriate supply charges, negotiating with prosecutors for reduced facts, and presenting compelling mitigation evidence. Successful strategies include:

  • Reducing supply charges to possession based on personal use evidence
  • Achieving suspended sentences instead of immediate imprisonment
  • Securing section 10 dismissals for first-time offenders with minimal quantities
  • Negotiating agreed facts that minimize your involvement and culpability
  • Challenging search and seizure procedures that exclude critical evidence

Realistic legal costs range from $5,000-$15,000 for straightforward supply matters, with complex trafficking cases requiring $20,000-$50,000+ investment. This represents exceptional value when compared to years of lost income from imprisonment and permanent employment restrictions.

Without Legal Representation:
Self-represented defendants face devastating outcomes including immediate imprisonment, maximum fines, and permanent criminal records that destroy career prospects. Courts show little sympathy for drug supply charges, and prosecutors aggressively pursue convictions against unrepresented defendants.

Timeframes:
Straightforward supply cases resolve within 4-6 months through early plea negotiations. Complex matters requiring expert evidence or constitutional challenges may take 8-12 months but achieve far superior outcomes that justify the additional time investment.

The choice between investing in expert legal representation or facing these charges alone will determine the next decade of your life. Contact Go To Court Lawyers at gotocourt.com.au/book for immediate case assessment.

How Go To Court Lawyers Can Help

Go To Court Lawyers has defended drug supply charges across South Australia for over 14 years, with 800+ specialist criminal lawyers who understand exactly how to challenge supply allegations and achieve possession outcomes that keep clients out of prison.

Our South Australian drug law team appears regularly in Adelaide Magistrates Court, Adelaide District Court, and circuit courts throughout regional SA. We know the prosecutors, understand local court practices, and have established relationships that facilitate successful negotiations for reduced charges.

What Sets Us Apart:

  • Specialist drug lawyers who challenge deemed supply presumptions successfully
  • Proven track record reducing supply charges to possession based on personal use evidence
  • 24/7 availability for urgent arrest situations and police interviews
  • Fixed-fee arrangements from fixed-fee consultations to comprehensive case management
  • 4.5-star rating from 780+ client reviews reflecting genuine client satisfaction
  • National presence with local expertise in every South Australian court

Immediate Actions We Take:
Our lawyers immediately review police evidence for weaknesses, identify opportunities to challenge supply charges, begin negotiations with prosecutors for reduced facts, and prepare comprehensive mitigation strategies that demonstrate your commitment to rehabilitation and positive community contribution.

Drug supply charges demand immediate expert intervention because early case strategy determines final outcomes. Every day you delay seeking specialist advice allows prosecutors to strengthen their case and reduces negotiation opportunities.

Call 1300 636 846 now for urgent drug supply charge advice, book online at gotocourt.com.au/book, or request immediate assistance if you're facing arrest or police interview. Your future depends on the decisions you make in the next 24 hours - make sure they're informed by Australia's most experienced drug law specialists.

Free legal hotline — live now
Need a Criminal Law lawyer in SA?

Speak to a qualified local lawyer now — free 24/7 hotline, no obligation.

Frequently Asked Questions

What's the difference between drug possession and supply charges in South Australia?

Possession involves having drugs for personal use only, while supply means providing or intending to provide drugs to another person. Supply carries maximum 15 years imprisonment versus 2 years for possession. The key difference is intention to share or distribute beyond personal consumption.

At what quantity do possession charges become supply charges in SA?

South Australia creates deemed supply presumptions at: cannabis 100g+, methamphetamine 2g+, cocaine 2g+, heroin 2g+, MDMA 0.75g+, and LSD 0.002g+. However, you can rebut these presumptions with evidence proving personal use only, which experienced lawyers do successfully.

Can I get bail for drug supply charges in South Australia?

Yes, bail is usually available for drug supply charges unless you face commercial trafficking allegations or have extensive criminal history. Courts impose strict conditions including drug testing, residence requirements, and no-contact orders. A lawyer significantly improves bail prospects.

What evidence do police use to prove drug supply intention?

Police rely on text messages mentioning meetings or money, multiple mobile phones, scales or packaging materials, large cash amounts, and witness statements about previous supplies. Your admissions during police interviews often provide the strongest evidence, which is why you should request a lawyer immediately.

Will I go to prison for first-time drug supply charges in SA?

First-time offenders can avoid prison with expert legal representation, comprehensive character evidence, and demonstrated rehabilitation efforts. Courts consider personal circumstances, but drug supply charges often result in immediate imprisonment without compelling mitigation and skilled advocacy.