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The Most Dedicated DUI
Attorneys Belong to the NCDD

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Enter your city, state, or Zip code below to locate a qualified attorney who has demonstrated a commitment to defend those accused of DUI and related crimes.

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Experienced DUI Defense Attorneys

Members of the NCDD are the most experienced DUI defense attorneys in the United States and Canada. Regardless of your location, we can connect you with a lawyer who can help you understand the drunk driving laws in your state or province and work with you to determine your best options for defense.

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NCDD Board Certification

Attorneys who are Board Certified by the NCDD can demonstrate that they have a substantive understanding of DUI laws, evidentiary issues, and effective methods of defense. To become Board Certified, a lawyer must pass written and oral examinations that reflect the knowledge and skills needed for an enhanced level of advocacy in the field of DUI defense.

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ABA: Find a Board Certified Lawyer

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NCDD National Task Force
Committee List 2025-2026

The National College for DUI Defense National Task Force maintains a number of committees that are intended to provide relevant information to members, represent the positions of the NCDD and the Board, and protect the rights of citizens pertaining to impaired driving cases. The individuals who serve on these committees play an important role in fulfilling the overall goals of the NCDD and its Board.

2026 Summer Session - DUI Trials Unleashed: From Voir Dire to Victory

2026 Summer Session - DUI Trials Unleashed: From Voir Dire to Victory

Jul 16, 2026 - Jul 18, 2026

This summer in Nashville, NCDD is breaking the mold. Our Summer Session DUI Trials Unleashed; From Voir Dire to Victory will be shorter presentations, sharper, and intensely practical—designed around live demonstrations and real-world skill application rather than traditional lecture blocks....

Serious Science: Advanced Course in Blood Drug Analysis & Trial Advocacy

Serious Science: Advanced Course in Blood Drug Analysis & Trial Advocacy

Aug 07, 2026 - Aug 12, 2026

The Serious Science Blood Drug Analysis course is designed to combine hard science and trial advocacy. There is no better course on forensic science and trial advocacy in America. We start with hard science, including hands-on work in the Shimadzu Laboratory....

NCDD NHTSA SFST Student Course

NCDD NHTSA SFST Student Course

Sep 24, 2026 - Sep 26, 2026

Not all SFST seminars are equal. NCDD’s three-day SFST Seminar is led by Anthony Palacios, one of the nation’s leading Standardized Field Sobriety Testing experts. A former Georgia SFST State Coordinator, SFST/DRE Staff Instructor, and National SFST Training Curriculum Assessment...

30th Annual DWI Means Defend With Ingenuity

30th Annual DWI Means Defend With Ingenuity

Oct 21, 2026 - Oct 24, 2026

NACDL & NCDD's 30th Annual "DWI Means Defend With Ingenuity" Seminar "FROM ARREST TO ACQUITTAL: The Essentials for a Successful DUI Defense" will be held at the Sahara Las Vegas Hotel & Casino, October 21-24, 2026. In DUI defense, the science...

SAVE THE DATE: Breath Testing From Input to Verdict

SAVE THE DATE: Breath Testing From Input to Verdict

Nov 04, 2026 - Nov 07, 2026

SAVE THE DATE - NOVEMBER 4-7, 2026 - PHOENIX, AZ This program will review the underlying science involved in breath testing and the common misconceptions among the courts and police. The course will cover the common errors in breath testing from...

NCDD Webinars

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Helping Clients. Supporting Attorneys. Strengthening NCDD.
Through our partnership with MINDR, NCDD Members can connect clients with trusted solutions from Intoxalock (Official Ignition Interlock Partner) and Breathe Easy Insurance (Official SR22/FR44 Insurance Partner). For more information and to obtain discounts for clients of NCDD members, click here.

DUI Laws in South Dakota

South Dakota Flag

SUMMARY OF SOUTH DAKOTA DUI STATUTES

 

I. SDCL 32-23-1.

A. Prohibition Against Driving While Intoxicated.

1. SDCL 32-23-1.

a. Prohibits driving or being in actual physical control of vehicle while alcohol is present in the blood or while under the influence of alcohol, marijuana, drugs or controlled substances.

B. Vehicle.

1. SDCL 32-3-1(11).

a. This statute defines all vehicles which are propelled by power other than muscular power.

C. Covered Locations.

1. Anywhere in South Dakota whether or not on a public highway or in Farmer Brown’s south 40.

D. Under the Influence Offenses.

1. SDCL 32-23-1(1).

a. When there is 0.08 percent or more by weight of alcohol in the persons blood.

b. Under the influence of alcohol.

c. Under the influence of marijuana or any controlled drug or substance.

d. Under the combined influence of alcohol and marijuana or any controlled drug or substance.

E. Zero Tolerance.

1. SDCL 32-23-21.

a. Any person who is under the age of 21 years may not operate, drive or be in physical control of a motor vehicle with 0.02 percent of alcohol in the blood.

b. Or after having consumed marijuana, drugs or controlled substance.

F. Aircraft.

1. SDCL 50-13-17.

a. This statute prohibits the unlawful operation of an aircraft while intoxicated.

G. Snowmobile.

1. SDCL 32-20A-14

a. This statute prohibits the operation of a snowmobile while intoxicated.

H. Commercial Vehicles.

1. SDCL 32-12A-43.

a. A person may not drive, operate or be in physical control of a commercial vehicle while having any measurable or detectable amount of alcohol in that persons system.

2. SDCL 32-12-44.

a. No person may drive, operate or be in physical control of a commercial vehicle while there is 0.04 percent and 0.08 percent of alcohol in the blood. This is a class 2 misdemeanor.

I. Other crimes.

1. SDCL 22-16-41, Vehicular Homicide.

a. Any person while under the influence of an alcoholic beverage, marijuana, controlled drug or substance or any combination thereof without design to affect the death of another, operates or drives a motor vehicle of any kind in a negligent manner and thereby causes the death of another person is guilty of vehicular homicide.

b. Vehicular homicide is a class 3 felony and carries a maximum penalty of fifteen (15) years in the state penitentiary and a Thirty Thousand Dollar ($30,000) fine.

c. Such individual may have their driver’s license revoked for a period of time as may be determined by the court.

II. PENALTIES.

A. First offense DUI.

1. Class 1 misdemeanor which carries a maximum sentence of one (1) year in county jail or a Two Thousand Dollar ($2000) fine, or both, and is subject to a mandatory minimum of thirty (30) days revoked driver’s license. SDCL 32-23-2.

2. If the offender’s BAC is 0.17% there is a mandatory chemical dependency evaluation. SDCL 32-23-2.1.

B. Second Offense DUI.

1. SDCL 32-23-3. A class 1 misdemeanor which carries a maximum sentence of one (1) year county jail or a Two Thousand Dollar ($2000) fine, or both.

C. Third Offense DUI.

1. SDCL 32-23-4. A class 6 felony which carries a maximum penalty of two (2) years in the state penitentiary and a Four Thousand Dollar ($4,000) fine and a mandatory minimum driver’s license revocation of one (1) year.

D. Fourth Offense DUI.

1. SDCL 32-23-4.6. A class 5 felony which carries a maximum penalty of five (5) years in the state penitentiary and a Ten Thousand Dollar ($10,000) fine and a mandatory minimum driver’s license revocation of two (2) years.

E. Fifth Offense DUI.

1. SDCL 32-23-4.7. A class 4 felony which carries maximum penalty of ten (10) years in the state penitentiary and a Twenty Thousand Dollar ($20,000) fine and a mandatory minimum driver’s license revocation of three (3) years.

III. DRUNK DRIVING PRESUMPTIONS.

A. SDCL 32-23-7.

1. 0.05% or less, defendant was not under the influence of alcohol.

2. 0.05% to 0.08% does not give rise to any presumption that defendant was or was not under the influence but may be considered with other evidence at trial on the issue of guilty or innocence.

3. 0.08%, defendant was under the influence.

IV. IMPLIED CONSENT.

A. South Dakota repealed the implied consent in 2006 which gave the operator of a motor vehicle the privilege to refuse a blood test.

B. Presently SDCL 32-23-10 states that the arresting officer may require the operator to submit to a blood test.

http://www.sdujs.com    South Dakota Unified Judicial System

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vflVirtual Forensic Library

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NCDD members have access to a comprehensive forensic library that provides invaluable information to be used when defending clients charged with DUI.

This library includes scientific articles on drug and alcohol intoxication, toxicology and pharmacology, methods of testing for blood alcohol content, field sobriety testing, potential errors that may occur during testing, accident reconstruction, expert testimony, and evidentiary rules. This valuable information can ensure that you provide a high quality defense to clients charged with DUI based on the circumstances of their case and the laws in their state.

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By Ryan Katz It is no secret that Artificial Intelligence, or AI, is vastly changing the landscape of many different fields. While the practice of law is certainly not something anybody would want...

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NCDD Journal

Find the latest news and announcements in our journal.

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