South Dakota Cannabis Laws: Medical, Recreational & Penalties

Quick Answer: Current Status of Cannabis in South Dakota

South Dakota operates a legal medical cannabis program and maintains full criminal prohibition on recreational cannabis.

Medical cannabis: Legal for qualifying patients who hold a valid state-issued registry identification card. The South Dakota Department of Health administers the program under SDCL Chapter 34-20G. The program took effect July 1, 2021, after voters approved Initiated Measure 26 in November 2020.

Recreational cannabis: Illegal. Possession, cultivation, and distribution outside the medical program are criminal offenses under SDCL Chapter 34-20B (Uniform Controlled Substances Act) and SDCL Chapter 22. A 2020 ballot measure to legalize adult use (Amendment A) was struck down by the South Dakota Supreme Court in 2021 before it could take effect.

Regulatory approach: The Department of Health licenses and oversees all medical cannabis establishments. Local governments can limit or ban cannabis businesses within their jurisdictions. There is no pathway for recreational sales or personal adult-use cultivation.

South Dakota's Medical Cannabis Program (IM 26)

Initiated Measure 26, approved by South Dakota voters in November 2020 with roughly 70% support, created the statutory framework now codified at SDCL Chapter 34-20G. The Department of Health began accepting patient registry applications in November 2021, with licensed dispensaries opening to patients in the following months.

Qualifying Medical Conditions

SDCL §34-20G-1 defines a "debilitating medical condition" as the basis for patient eligibility. Qualifying conditions include:

• Cancer, glaucoma, positive status for HIV/AIDS, hepatitis C, amyotrophic lateral sclerosis (ALS), Crohn's disease, agitation of Alzheimer's disease, or post-traumatic stress disorder
• A chronic or debilitating disease or medical condition that produces cachexia or wasting syndrome, severe or chronic pain, severe nausea, seizures (including those characteristic of epilepsy), or severe and persistent muscle spasms
• Any other medical condition or treatment added by the Department of Health through rulemaking under ARSD Chapter 44:90

A licensed physician must certify the condition in writing before a patient can apply.

Patient and Caregiver Registration

The South Dakota Department of Health manages the registry. To obtain a registry identification card, a patient submits an application with a physician's written certification, proof of South Dakota residency, and the applicable fee. Consult the South Dakota Department of Health for current fee amounts, as these are set by rule and subject to change.

Designated caregivers, who assist patients who cannot self-administer, must also register with the Department of Health under SDCL §34-20G-3. A caregiver must be at least 21 years old and may assist no more than five patients at one time unless the Department grants an exception.

Cards are valid for one year and must be renewed annually.

Possession and Cultivation Limits

Under SDCL §34-20G-7, a registered patient or caregiver may possess:

Home cultivation is only permitted when the patient lives more than 25 miles from the nearest licensed dispensary. Patients who cultivate at home must keep plants in a locked, enclosed space not visible from a public place (SDCL §34-20G-7).

Protections for Cardholders

A valid registry identification card provides legal protection from arrest, prosecution, or penalty under South Dakota law for conduct that falls within the program's limits (SDCL §34-20G-21). Employers are not required to accommodate on-site cannabis use. Cardholders do not have a protected right to use cannabis in any public place or in a vehicle.

Recreational Cannabis: Illegal Status and Penalties in South Dakota

Adult-use recreational cannabis is a criminal offense in South Dakota. The Uniform Controlled Substances Act (SDCL Chapter 34-20B) classifies cannabis as a Schedule I controlled substance under state law, mirroring the federal schedule. Penalties are set out in SDCL Chapter 22 and SDCL §§34-20B-14 through 34-20B-22.

Possession Penalties

These thresholds are established under SDCL §34-20B-14. Possession of cannabis concentrate or cannabis-infused products may be treated differently. Consult an attorney for specifics on your situation.

Cultivation and Distribution Penalties

Unauthorized cultivation (manufacture) and distribution carry felony charges under SDCL §§34-20B-14 through 34-20B-22. Distribution penalties escalate significantly with quantity and are further enhanced if the offense occurs near a school or involves a minor. A first-offense distribution conviction can result in a Class 4 felony (up to 10 years, $20,000 fine) for smaller amounts. Large-scale trafficking carries Class 1 felony exposure (up to life imprisonment).

Collateral Consequences

A cannabis conviction can affect:

• Driver's license: South Dakota courts may suspend driving privileges as part of sentencing for drug offenses under SDCL §32-12-52.
• Professional licenses: State licensing boards for healthcare, law, and other regulated professions may take disciplinary action based on drug convictions.
• Federal benefits: Federal student aid, public housing eligibility, and firearm rights may be affected by any drug felony conviction.

Cannabis Business Licensing and Regulatory Framework

All legal cannabis commerce in South Dakota flows through the medical program. There is no recreational licensing structure.

License Types Under SDCL Chapter 34-20G

The Department of Health issues the following establishment licenses:

Application Requirements

Applicants must submit to the Department of Health: proof of South Dakota residency or incorporation, a background check for all principals, a detailed operating plan, and applicable fees. Consult the South Dakota Department of Health for current fee schedules under ARSD Chapter 44:90. The Department reviews applications and may conduct inspections before issuing a license.

Licenses are not transferable and must be renewed annually. The Department of Health can deny, suspend, or revoke licenses for violations of SDCL Chapter 34-20G or the associated administrative rules.

Local Government Authority

SDCL §34-20G-72 preserves local control. A municipality or county may enact ordinances that restrict or ban cannabis establishments within its borders. Several South Dakota municipalities have enacted local bans or zoning restrictions. Verify that the intended location is in a jurisdiction that permits the establishment type you are seeking before applying for a state license.

Federal Law vs. South Dakota Law and Tax Implications for Cannabis Businesses

State legality does not resolve federal exposure. Cannabis remains a Schedule I controlled substance under the federal Controlled Substances Act (21 U.S.C. §812). Federal law treats cannabis commerce as drug trafficking, regardless of South Dakota law.

IRC §280E: The Tax Problem

The most immediate financial consequence for South Dakota medical cannabis businesses is Internal Revenue Code §280E. This provision disallows deductions for ordinary and necessary business expenses incurred in a trade or business that consists of trafficking in a Schedule I or II controlled substance. Because cannabis is still Schedule I federally, dispensaries and other cannabis businesses cannot deduct:

• Rent and utilities
• Employee wages (beyond those allocable to cost of goods sold)
• Marketing and advertising
• Professional fees

What remains deductible: Cost of goods sold (COGS). Businesses can still reduce gross receipts by the direct cost of producing or acquiring the cannabis they sell. Proper COGS accounting is critical and requires a cannabis-experienced CPA or tax attorney.

The effective tax rate for cannabis businesses under §280E routinely runs 50 to 70 percent of gross profit, compared to the 21 percent corporate rate for ordinary businesses. Until Congress reschedules cannabis or explicitly exempts it from §280E, this burden applies to every state-legal cannabis business in South Dakota.

Banking and Financial Services

Because cannabis is federally illegal, most federally chartered banks and credit unions refuse to open accounts for cannabis businesses, fearing prosecution under federal money laundering statutes (18 U.S.C. §1956). Some state-chartered credit unions serve cannabis businesses under guidance from the Financial Crimes Enforcement Network (FinCEN), but access is limited and fees are high. Cannabis businesses frequently operate as cash-heavy enterprises, creating security and accounting risks. The SAFE Banking Act, which would provide a federal safe harbor for financial institutions serving state-legal cannabis businesses, has passed the House multiple times but has not been enacted. Check current congressional status before relying on any change.

What Changed Recently in South Dakota Cannabis Law?

South Dakota's cannabis legal history over the past several years has been unusually turbulent, shaped by competing ballot initiatives, a governor hostile to legalization, and a significant state Supreme Court ruling.

Initiated Measure 26 (Medical Cannabis)

Voters approved IM 26 in November 2020, creating the medical cannabis program under SDCL Chapter 34-20G. Governor Noem did not block implementation of IM 26 through litigation. The Department of Health began building the regulatory framework in 2021. Patient card applications opened in November 2021, and licensed dispensaries began serving patients in early 2022. The program is fully operational.

Amendment A (Adult-Use Cannabis): Passed, Then Struck Down

On the same November 2020 ballot, South Dakota voters also approved Amendment A, a constitutional amendment that would have legalized adult-use cannabis and hemp and directed the legislature to create a medical cannabis program. Governor Noem, along with the South Dakota Highway Patrol superintendent, filed suit challenging the amendment's validity.

The South Dakota Supreme Court ruled in Thom v. Barnett (2021) that Amendment A violated the state constitution's single-subject rule for initiated constitutional amendments. It addressed multiple distinct subjects (recreational cannabis, hemp, and medical cannabis) in a single measure. The Court struck down Amendment A before it took effect. This ruling established a significant legal precedent limiting the scope of future omnibus cannabis ballot measures in South Dakota.

Supporters of adult-use legalization placed a new recreational cannabis measure on the November 2022 ballot (Amendment C / Measure 27). That measure was defeated by voters, with approximately 53% voting against it. As of this writing, there is no active legislative or ballot pathway to recreational legalization in South Dakota.

Governor Noem and Hemp Legislation

Governor Noem's opposition to cannabis-adjacent policy predates the 2020 ballot cycle. In 2019, she vetoed legislation that would have licensed and regulated commercial hemp production in South Dakota. She stated her concern that normalizing hemp was part of a broader strategy to advance marijuana legalization. The legislature did not override the veto. South Dakota eventually enacted hemp regulations after the 2018 federal Farm Bill required states to submit plans to USDA. The governor's posture signaled consistent resistance to any liberalization of drug policy.

Federal Tax Considerations

Cannabis businesses in South Dakota face unique federal tax challenges due to the classification of cannabis as a Schedule I controlled substance. Under IRC § 280E, businesses engaged in trafficking Schedule I or II substances cannot deduct ordinary business expenses, significantly impacting their tax liabilities.

• IRC § 280E: Disallows deductions for ordinary and necessary business expenses for cannabis businesses, allowing only the deduction of Cost of Goods Sold (COGS).
• Form 1065 and Schedule C: Cannabis businesses must report income on these forms, but due to § 280E, many expenses cannot be deducted, leading to higher taxable income.
• Cash Transactions: Due to federal banking restrictions, many cannabis businesses operate on a cash basis, complicating record-keeping and tax reporting.
• Potential State Conformity: South Dakota may have different rules regarding state tax deductions; consult a state CPA for specifics on conformity with federal tax laws.
• IRS Audits: Cannabis businesses may face increased scrutiny from the IRS due to the complexities of § 280E and cash transactions.

This is not tax advice — consult a CPA familiar with Cannabis for your specific situation.

Frequently Asked Questions

Why is recreational cannabis illegal in South Dakota?

Recreational cannabis remains illegal due to a 2021 ruling by the South Dakota Supreme Court that struck down a ballot measure aimed at legalizing adult use. The state maintains full criminal prohibition on possession, cultivation, and distribution outside the medical program.

What laws govern cannabis use in South Dakota?

Cannabis use in South Dakota is primarily governed by SDCL Chapter 34-20G for medical cannabis and SDCL Chapter 34-20B for the prohibition of recreational cannabis. The Uniform Controlled Substances Act also applies.

Are there any active legislative proposals regarding cannabis in South Dakota?

As of now, there have been discussions and proposals regarding the legalization of recreational cannabis, but none have successfully passed through the legislative process following the Supreme Court's decision. Keep an eye on local news for updates on any future proposals.

What should residents do if they want to use cannabis in South Dakota?

Residents interested in cannabis use must qualify for the medical cannabis program and obtain a registry identification card from the South Dakota Department of Health. Recreational use is not permitted under state law.

How does South Dakota's cannabis law compare to neighboring states?

South Dakota has stricter cannabis laws compared to many neighboring states, as it only allows medical use while recreational use remains illegal. States like North Dakota and Montana have legalized recreational cannabis, highlighting a significant difference in regulatory approaches.

Next Steps and Who to Contact for Information

South Dakota Department of Health (Medical Cannabis Program)

The Department of Health is the primary state agency for the medical cannabis program. For patient card applications, caregiver registration, establishment licensing, and current fee schedules, contact:

South Dakota Department of Health, Medical Cannabis Program Website: doh.sd.gov (navigate to the Medical Cannabis section) Phone: Listed on the Department of Health website; consult the site directly for current contact numbers.

The Department's website also hosts the current administrative rules under ARSD Chapter 44:90, which govern both patient and establishment requirements. Check there for any rule updates before submitting an application.

Legal Counsel

For any of the following situations, retain an attorney before proceeding:

• Applying for a cannabis establishment license (licensing, zoning, and compliance counsel)
• Facing a criminal charge for possession, cultivation, or distribution (criminal defense attorney)
• Structuring a cannabis business for tax purposes (tax attorney or CPA with cannabis experience)
• Contesting a license denial or disciplinary action by the Department of Health (administrative law attorney)

The State Bar of South Dakota maintains a lawyer referral service at statebarofsouthdakota.com. Ask specifically for attorneys with experience in cannabis law, administrative law, or criminal defense, depending on your need.

Staying Current

South Dakota's cannabis law has changed multiple times through ballot initiative and litigation in a short period. To stay informed:

• Monitor the South Dakota Legislature's official site (sdlegislature.gov) for bills introduced each session, which begins in January.
• Watch the Secretary of State's office (sdsos.gov) for any future ballot initiative filings related to cannabis.
• Subscribe to Department of Health updates for changes to administrative rules under ARSD Chapter 44:90.

Do not rely on secondary sources, including this page, as a substitute for checking current statutes and rules directly. SDCL Chapter 34-20G and SDCL Chapter 34-20B are the primary statutory references. When in doubt, consult the Department of Health or a licensed South Dakota attorney.