Understanding Interstate DUI Laws: What You Need to Know

Driving under the influence (DUI) is illegal across the United States, but the consequences and penalties can vary significantly from state to state. This variation can make things confusing, especially when it comes to interstate DUI laws. Interstate DUI laws cover situations when a driver receives a DUI in a state where they do not reside. In these cases, understanding how states work together to enforce DUI penalties is crucial. If you are charged with a DUI while traveling, understanding the effects of that DUI in your home state is essential. This page explains what you need to know about how DUI laws work across state lines, why these laws can vary, and what you can expect if you face an out-of-state DUI charge. At, The Bateman Law Firm, we are here to guide you through the legal process and help you navigate the complexities of your case.

350+ Reviews
5.0 Star Average

avvo clients choice-DUI

How DUI Laws Vary Between States

While all states have laws against DUI, the way they enforce these laws and the penalties they impose can be very different. For example, the legal blood alcohol concentration (BAC) limit is typically 0.08% for drivers over 21, but a few states may have stricter standards or additional penalties based on BAC levels. A state may consider a BAC of 0.15% or higher an aggravated DUI, which carries harsher penalties. The penalties for DUI also differ. Some states have mandatory jail time even for first offenses, while others may prioritize fines or mandatory classes over incarceration. Penalties for repeat offenses also vary widely. This means that someone could face more or fewer penalties based on where they were arrested, even if they committed the same offense.

Another difference among states is the look-back period, which is the length of time that a DUI remains on your record for consideration in future cases. For example, in some states, a DUI remains on record for life and affects future charges. In other states, the look-back period may be five or ten years, so a previous DUI does not affect charges after that period. These differences can have a major impact on individuals who drive across state lines frequently, as they may not be aware of the harsher or more lenient penalties in the states they visit.

What Is the Interstate Driver’s License Compact?

The Interstate Driver’s License Compact (IDLC) is an agreement among 45 states that helps share information about driver’s records, including DUI offenses. When a person is convicted of a DUI in one state, their home state will typically be informed through the IDLC. For example, if a driver from North Carolina receives a DUI in South Carolina, North Carolina is notified of the DUI conviction and can apply penalties similar to what the person would have faced if the offense had occurred in North Carolina. This compact is meant to ensure that drivers cannot avoid penalties by simply returning to their home state.

It is important to note that not all states participate in the IDLC. States like Georgia, Massachusetts, Michigan, Tennessee, and Wisconsin are not part of the compact. While this might make it seem like a DUI in one of these states won’t follow you home, that is not always true. In many cases, these states have their own agreements and practices for sharing information, so a DUI conviction can still be reported to your home state, even if it is not part of the IDLC. Drivers should be cautious and aware that a DUI conviction in most states will likely impact their records at home as well.

Penalties for Out-of-State DUIs

When someone receives a DUI in a state they do not reside in, the penalties can be confusing. Typically, the state where the DUI occurred will impose its own penalties, such as fines, jail time, or mandatory DUI classes. However, the person’s home state might also impose additional penalties. This is known as dual punishment, where both the state of the offense and the home state can penalize the driver. For instance, if a South Carolina resident receives a DUI in Georgia, they may have to fulfill Georgia’s penalties and also face consequences in South Carolina. This dual punishment can lead to additional costs and time commitments, as it requires compliance with two sets of rules.

In addition to criminal penalties, an out-of-state DUI can result in a suspended driver’s license. Some states will automatically suspend the license of any driver convicted of DUI, and through the IDLC, that suspension will typically be honored in the driver’s home state. This means that even if a person is licensed in one state, they can lose their driving privileges there because of a DUI in another state. The requirements for reinstating a license can also vary. The driver may need to fulfill requirements in both the state of the offense and their home state before their license is fully reinstated.

"He has an innate ability to convey to clients what really matters in their cases."

"John Bateman is my absolute go to peer in the legal field when it comes to questions about DUI. . . . He has an innate ability to convey to clients what really matters in their cases. As a fellow attorney, I highly recommend John to anyone in the SC or NC areas who are looking for... legal representation when facing a DUI charge."

M. Brock

"An excellent DUI attorney. He has received the same field sobriety test training as all police officers in the State"

"John is an excellent DUI attorney. He has received the same field sobriety test training as all police officers in the State, and also the same training as the people who are the instructors of the police officer training courses on field sobriety tests. He is very passionate about DUI's and I recommend him often to people who are facing serious charges in the upstate area."

P. Hammond

"He cares for each of his clients and works extremely hard to achieve results."

"Very knowledgeable and thorough in his preparation and representation of his clients. He cares for each of his clients and works extremely hard to achieve results. I highly recommend this lawyer."

C. Grubbs

Legal Representation for Interstate DUI Cases

Facing an out-of-state DUI can be challenging and confusing, especially when it comes to understanding and following the laws of both states. This is where legal representation can be crucial. A DUI attorney familiar with interstate DUI laws can provide guidance on the legal process in the state where the offense occurred and explain how it will impact you in your home state. The lawyer can help manage court appearances, especially if returning to the state of the offense is challenging. An attorney can sometimes represent the person in court, reducing the need for travel.

Additionally, a lawyer can work to minimize the penalties faced. For example, they may be able to negotiate for penalties that do not impact the driver’s record as severely or that lessen the driver’s license suspension period. In some cases, attorneys can argue for penalties that the home state may not enforce as strictly, reducing the risk of dual punishment. By understanding both the state of offense and the home state’s laws, an attorney can help reduce complications and avoid unexpected penalties that could arise from an out-of-state DUI.

What To Do If You Get a DUI in Another State

Getting a DUI in a state other than your own can be intimidating. The first step is to understand that the DUI will likely impact you both in the state of the offense and your home state. It is important to comply with all legal requirements, such as court appearances, fines, and classes. Ignoring the situation or failing to meet these requirements can lead to more severe penalties. Another important step is to contact an attorney, especially if you are unfamiliar with the laws in the state where the DUI occurred. An attorney can clarify the penalties you face and help guide you through the process.

One major concern for people facing an out-of-state DUI is dealing with the court requirements, particularly if they live far away. Many states allow attorneys to represent clients in court, which can reduce the need to travel back to the state of the offense. An attorney can also help ensure you meet the requirements in both states so that you do not face additional penalties in your home state for failing to meet the other state’s requirements.

Related Videos

Refusing Field Sobriety Tests

Choosing a DUI Attorney

Common Questions About Interstate DUI Laws

Understanding interstate DUI laws can bring up many questions. For example, many people wonder if they can just ignore the out-of-state DUI and hope it will not follow them home. This is usually not an option, as most states communicate DUI offenses with each other, and your home state will likely find out about the DUI. Others may wonder if they will face jail time or lose their license, even for a first offense. The answer depends on the state of the offense and your home state’s penalties.

Another common question is whether a lawyer is needed. While hiring a lawyer is not required, it can make the process easier to navigate. A lawyer can help address both states’ requirements and potentially reduce the impact of the DUI on your life. Many people also wonder if their insurance rates will increase. The answer is yes, as a DUI conviction will typically lead to higher insurance premiums, especially if your home state is informed of the offense.

Avoiding DUIs When Traveling Out of State

Understanding that DUI laws vary across states and that interstate compacts exist can help people make safer choices. For those who frequently travel between states, especially for work, it is wise to understand the DUI laws in the states they visit. It is also important to remember that refusing a breathalyzer test does not guarantee protection from a DUI charge. Many states have implied consent laws, which means that refusing a breathalyzer can result in automatic penalties, such as license suspension, even if you are out of state. By being informed and prepared, drivers can take precautions to avoid the serious consequences of a DUI.

Facing a DUI charge in another state can be overwhelming, especially when trying to understand the penalties and requirements in both the state of offense and your home state. If you find yourself in this situation, The Bateman Law Firm is here to help. Our experienced team understands the complexities of interstate DUI cases and is prepared to guide you through the process, protecting your rights and working toward the best possible outcome. Contact The Bateman Law Firm today to learn more about how we can assist you in managing an interstate DUI and securing a future free from legal challenges.