DUI Defense

A Driving Under the Influence (DUI) arrest under Tennessee Code § 55-10-401 is a severe threat to your freedom, your driver’s license, and your future. Under Tennessee law, a DUI conviction carries mandatory minimum jail sentences, heavy fines governed by Tennessee Code § 55-10-403, ignition interlock requirements pursuant to Tennessee Code § 55-10-417, and the permanent stain of a criminal record. 

When the state targets you with a DUI charge, you cannot afford a passive defense or a quick plea. You need an aggressive litigator who will scrutinize every detail of the traffic stop, the field sobriety tests, and the chemical breath or blood analysis. MacNeill Law Firm dismantles the prosecution's case from day one, forcing the state to prove every element beyond a reasonable doubt. 

To secure a conviction under Tennessee Code § 55-10-401, the state must establish that you were driving or in physical control of a motor vehicle while under the influence of an intoxicant, or with a blood or breath alcohol concentration (BAC) of 0.08% or higher, and 0.04% for commercial operators under Tennessee Code § 55-50-408. We examine every phase of the state's case: 

• The Traffic Stop: Law enforcement must have reasonable suspicion or probable cause to initiate a traffic stop. If the initial stop violated your constitutional protections, all subsequent evidence—including field sobriety tests and chemical test results—can be suppressed. 
• Standardized Field Sobriety Tests (SFSTs): Tests such as the Horizontal Gaze Nystagmus (HGN), Walk-and-Turn, and One-Leg Stand are notoriously subjective and influenced by external factors like weather, medical conditions, fatigue, and uneven pavement. We cross-examine the officer's administration of these tests against strict National Highway Traffic Safety Administration (NHTSA) standards. 
• Chemical Testing (Breath & Blood): Governed under Tennessee Code § 55-10-406 and Tennessee Code § 55-10-408, breathalyzers require rigorous calibration, proper maintenance logs, and certified operator credentials. Blood draws require strict chain of custody and forensic protocol. We independently analyze testing accuracy and procedural compliance. 

• Impairment DUI: A person commits DUI by driving or being in physical control of a motor-driven vehicle in a covered public location while an intoxicant, marijuana, controlled substance, controlled-substance analogue, drug, central-nervous-system-affecting substance, or combination thereof impairs the person’s ability to operate safely by depriving the person of the clearness of mind and self-control otherwise possessed Tenn. Code Ann. § 55-10-401. 
• Per Se 0.08% DUI: A person commits DUI in a covered location when the person’s blood-or-breath alcohol concentration is 0.08% or more Tenn. Code Ann. § 55-10-401.
• Commercial-Vehicle 0.04% DUI: A person commits DUI when the person has a blood alcohol concentration of 0.04% or more and the vehicle is a commercial motor vehicle Tenn. Code Ann. § 55-10-401. Tenn. Code Ann. § 55-50-408 separately provides that driving, operating, or exercising physical control of a commercial motor vehicle with that concentration constitutes driving under the influence of alcohol in violation of Tenn. Code Ann. § 55-50-408, Tenn. Code Ann. § 55-50-405. 
• Underage Driving While Impaired: For a person under twenty-one, underage driving while impaired is a lesser-included offense of driving while intoxicated Tenn. Code Ann. § 55-10-415. The supplied authority does not provide its elements, classification, or mandatory minimum penalty. 
• DUI With a Child Passenger: If a person convicted of DUI was accompanied at the time of the offense by a child under eighteen, the sentence receives a mandatory additional thirty days of incarceration Tenn. Code Ann. § 55-10-402. This provision is an enhanced sentence rather than a new offense Tenn. Code Ann. § 55-10-402. 
• DUI With Serious Injury to a Child Passenger: If an accompanying child under eighteen suffers serious bodily injury as the proximate result of the DUI, the person commits a Class D felony and is punished as provided for vehicular assault Tenn. Code Ann. § 55-10-402. 
• DUI Causing the Death of a Child Passenger: If an accompanying child under eighteen is killed as the proximate result of the DUI, the person commits a Class B felony and is punished as provided for vehicular homicide involving intoxication Tenn. Code Ann. § 55-10-402. 

Tennessee enforces mandatory sentencing structures for DUI convictions pursuant to Tennessee Code § 55-10-402, escalating sharply with prior offenses logged under Tennessee Code § 55-10-405 or aggravating factors: 

• First Offense: Mandatory minimum jail time (typically 48 hours, or 7 consecutive days in jail if blood alcohol concentration reaches or exceeds 0.15%), fines under Tennessee Code § 55-10-403, mandatory alcohol and drug treatment programs under Tennessee Code § 55-10-402, and driver’s license revocation under Tennessee Code § 55-10-404. 
• Second Offense: Substantially increased mandatory incarceration periods (e.g. a second offense DUI carries a mandatory minimum term of confinement for 45 days in the county jail), multi-year license revocations, mandatory ignition interlock device (IID) installation under Tennessee Code § 55-10-417, and potential vehicle forfeiture under Tennessee Code § 55-10-414. Even though misdemeanor DUI offenses have mandatory minimum sentences to serve, a Defendant's full potential sentencing exposure is 11 months and 29 days in jail. On a second offense DUI, after sentencing the person to a period of confinement pursuant to subdivision (a)(2)(A), as a condition of probation, the judge may order the person to participate in a substance abuse treatment program, which includes any aftercare recommended by the treatment program, licensed or certified by the department of mental health and substance abuse services, which includes a certified drug court or DUI court, if the person first: 1) completes a clinical substance abuse assessment conducted pursuant to subsection (h); and 2) serves at least seventeen (17) days of the period of incarceration imposed in the county jail or workhouse.
• Third Offense: Any person violating § 55-10-401, shall, upon conviction for third offense, be sentenced to serve in the county jail or workhouse not less than one hundred twenty (120) consecutive days nor more than eleven (11) months and twenty-nine (29) days. After a sentence of confinement is imposed under the third-offense provision, a judge may condition probation on substance-abuse treatment if the person first completes a clinical substance-abuse assessment and serves at least sixty-five days of the imposed county-jail or workhouse incarceration Tenn. Code Ann. § 55-10-402. 
• Upon a fourth conviction for violating Tenn. Code Ann. § 55-10-401 , the person must be sentenced as a felon to serve at least 150 consecutive days and no more than the maximum punishment authorized for the appropriate Class E felony range Tenn. Code Ann. § 55-10-402 .  State v. Nash, 294 S.W.3d 541 (2009) explains that repeat-offender status does not constitute a separate charge but instead affects the available sentence, while conviction of a fourth or greater DUI also elevates the offense from a misdemeanor to a felony State v. Nash, 294 S.W.3d 541 (2009). State v. Nash, 294 S.W.3d 541 (2009) applied an earlier codification, but its procedural holding requires a bifurcated trial for a defendant charged with a second or subsequent DUI State v. Nash, 294 S.W.3d 541 (2009). 
• Fifth-offense DUI: A fifth offense committed on or after July 1, 2019, by a person with at least four qualifying previous convictions is a Class D felony Tenn. Code Ann. § 55-10-402. Its incarceration term is at least the fourth-offender minimum of 150 consecutive days and no more than the maximum punishment authorized for the appropriate Class D felony range Tenn. Code Ann. § 55-10-402. 
• Sixth-or-subsequent-offense DUI: A sixth or subsequent offense committed on or after July 1, 2016, by a person with at least five qualifying previous convictions is a Class C felony Tenn. Code Ann. § 55-10-402. Its incarceration term is at least the fourth-offender minimum of 150 consecutive days and no more than the maximum punishment authorized for the appropriate Class C felony range Tenn. Code Ann. § 55-10-402.

Except for the specifically identified vehicular offenses, a person is not treated as a repeat or multiple DUI offender if ten or more years elapsed between the present violation and the immediately preceding DUI violation that resulted in a conviction Tenn. Code Ann. § 55-10-405. If the preceding violation occurred within ten years of the present violation, the person is treated as a multiple offender Tenn. Code Ann. § 55-10-405. 

Once the person qualifies as a multiple offender, every DUI violation resulting in conviction that occurred within ten years of the immediately preceding violation is counted in determining the number of prior offenses Tenn. Code Ann. § 55-10-405. A violation occurring more than twenty years before the instant violation may never be counted as a prior offense under this general rule Tenn. Code Ann. § 55-10-405. 

1. Vehicular-Offense Convictions: A prior conviction for vehicular assault, aggravated vehicular assault, intoxication-based vehicular homicide, or aggravated vehicular homicide is treated like a prior DUI conviction if the conviction occurred at any time before the present DUI violation Tenn. Code Ann. § 55-10-405. These convictions count regardless of whether the prior offense occurred within ten years of the present violation Tenn. Code Ann. § 55-10-405. 
2. Boating-Under-the-Influence Convictions: A prior boating-under-the-influence conviction is treated like a prior DUI conviction when the person was convicted of that offense within ten years of the present DUI violation Tenn. Code Ann. § 55-10-405. 
3. Out-of-State Convictions: The state may use an out-of-state conviction if the conduct would constitute Tennessee DUI, boating under the influence, vehicular assault, aggravated vehicular assault, intoxication-based vehicular homicide, or aggravated vehicular homicide if committed in Tennessee Tenn. Code Ann. § 55-10-405. An out-of-state offense not identified by one of those names may still count when its elements are the same as those of the comparable Tennessee offense Tenn. Code Ann. § 55-10-405. 

For a second or subsequent offense, the indictment or charging instrument must allege each qualifying prior conviction and state the time and place of each conviction Tenn. Code Ann. § 55-10-411. When an out-of-state conviction is used for enhancement, the charging instrument must state its time, place, and state Tenn. Code Ann. § 55-10-411. 

In State v. Daniels, 656 S.W.3d 378 (2022), the court held that an indictment listing prior offense dates rather than conviction dates remained valid specifically because it also identified the case numbers and convicting courts, apprised the defendant of the accusation, and was not challenged through a motion to dismiss or bill of particulars State v. Daniels, 656 S.W.3d 378. 

Vehicular assault is committed when, as the proximate result of intoxication, a person recklessly causes serious bodily injury to another by operating a motor vehicle or registrable vessel Tenn. Code Ann. § 39-13-106. It is a Class D felony, but it is distinct from an ordinary violation of the DUI statute Tenn. Code Ann. § 39-13-106. Its mandatory incarceration minimums are: 

• First vehicular-assault violation: Forty-eight consecutive hours, which must be served before release on probation Tenn. Code Ann. § 39-13-106.
• One prior alcohol-related conviction: Forty-five consecutive days Tenn. Code Ann. § 39-13-106.
• Any combination of two prior alcohol-related convictions: One hundred twenty consecutive days Tenn. Code Ann. § 39-13-106.

• First offense: $350 to $1,500 Tenn. Code Ann. § 55-10-403.
• Second offense: $600 to $3,500 Tenn. Code Ann. § 55-10-403.
• Third offense: $1,100 to $10,000 Tenn. Code Ann. § 55-10-403.
• Fourth or subsequent offense: $3,000 to $15,000 Tenn. Code Ann. § 55-10-403.
• Child passenger: An additional $1,000 applies when the person was accompanied by a child under eighteen Tenn. Code Ann. § 55-10-403.

Unless the judge determines indigency under the referenced statutory criteria, the applicable minimum fine is mandatory and may not be reduced or suspended Tenn. Code Ann. § 55-10-403. Fines are payable when sentence is imposed unless the court affirmatively finds that the defendant lacks a present ability to pay, in which case the court must set a date certain for payment Tenn. Code Ann. § 55-10-403.

A Tennessee fourth-offense DUI is a fourth conviction for violating Tenn. Code Ann. § 55-10-401 , with qualifying prior convictions counted under Tenn. Code Ann. § 55-10-405 ; upon conviction, it is a Class E felony carrying at least 150 consecutive days of confinement and no more than the maximum punishment authorized for the appropriate Class E felony range Tenn. Code Ann. § 55-10-402 , Tenn. Code Ann. § 55-10-405 . 

Except for the vehicular-offense exception in Tenn. Code Ann. § 55-10-405 (c)(1), a person is not treated as a repeat or multiple DUI offender for enhancement purposes if ten or more years separate the present violation from the immediately preceding violation of Tenn. Code Ann. § 55-10-401 that resulted in a conviction Tenn. Code Ann. § 55-10-405 . 

If a prior DUI violation occurred within ten years of the present violation, the person is treated as a multiple offender, and each additional violation resulting in a conviction is counted when it occurred within ten years of the immediately preceding violation Tenn. Code Ann. § 55-10-405 . A DUI violation occurring more than twenty years before the instant violation may never be considered a prior offense under that counting provision Tenn. Code Ann. § 55-10-405 . 

The statute separately treats the following Tennessee convictions as prior DUI convictions for multiple-offender purposes when the person was convicted of the prior offense before committing the present DUI, regardless of whether the prior offense occurred within ten years Tenn. Code Ann. § 55-10-405 : 

• Vehicular assault under Tenn. Code Ann. § 55-10-405 , Tenn. Code Ann. § 39-13-106 .
• Aggravated vehicular assault under Tenn. Code Ann. § 55-10-405 , Tenn. Code Ann. § 39-13-115 .
• Vehicular homicide under Tenn. Code Ann. § 39-13-213 (a)(2) Tenn. Code Ann. § 55-10-405 .
• Aggravated vehicular homicide under Tenn. Code Ann. § 39-13-218 Tenn. Code Ann. § 55-10-405 .

A prior boating-under-the-influence conviction under Tenn. Code Ann. § 69-9-217 (a) is treated as a prior DUI conviction if the person was convicted of that offense within ten years of the present violation Tenn. Code Ann. § 55-10-405 .

An out-of-state conviction may be used if the out-of-state offense, had it been committed in Tennessee, would constitute DUI, boating under the influence, vehicular assault, aggravated vehicular assault, vehicular homicide, or aggravated vehicular homicide under the identified Tennessee statutes Tenn. Code Ann. § 55-10-405 . An out-of-state offense not identified as one of those named offenses is nevertheless considered a prior conviction if its elements are the same as those of the comparable Tennessee offense Tenn. Code Ann. § 55-10-405 . 

When the State prosecutes a person as a second or subsequent DUI offender, the indictment or charging instrument must allege the prior qualifying conviction or convictions and set forth the time and place of each prior conviction Tenn. Code Ann. § 55-10-411 . 

The qualifying convictions that may be alleged include DUI, boating under the influence, vehicular assault, aggravated vehicular assault, vehicular homicide, and aggravated vehicular homicide under the Tennessee statutes identified in Tenn. Code Ann. § 55-10-411 (b)(2) Tenn. Code Ann. § 55-10-411 . 

If the State relies on an out-of-state conviction for DUI, boating under the influence, aggravated vehicular homicide, vehicular homicide, aggravated vehicular assault, vehicular assault, or adult driving while impaired to enhance the Tennessee DUI punishment, the charging instrument must allege the time, place, and state of that prior conviction Tenn. Code Ann. § 55-10-411 . 

State v. Daniels, 656 S.W.3d 378, 391 (2022) held that an indictment identifying the dates of the prior offenses rather than the dates of conviction remained valid specifically because it also identified the case numbers and convicting courts, thereby apprising the defendant of the accusation despite the date discrepancy State v. Daniels, 656 S.W.3d 378, 391 (2022). The defendant in State v. Daniels, 656 S.W.3d 378, 391 (2022) also had not moved to dismiss the enhancement counts or requested a bill of particulars State v. Daniels, 656 S.W.3d 378, 391 (2022). That fact-specific holding does not eliminate the statutory direction that the charging instrument set forth the time and place of each prior conviction Tenn. Code Ann. § 55-10-411 , State v. Daniels, 656 S.W.3d 378, 391 (2022). 

A trial for a second or subsequent DUI must be bifurcated into a guilt phase and a repeat-offender enhancement phase State v. Nash, 294 S.W.3d 541 (2009).

The jury first determines guilt on the underlying DUI State v. Nash, 294 S.W.3d 541 (2009). Only after the guilt phase does the jury determine whether the conviction qualifies as a repeat offense for punishment State v. Nash, 294 S.W.3d 541 (2009).

State v. Nash, 294 S.W.3d 541 (2009) held that reconvening the jury to decide sentencing-related prior-conviction facts did not create separate jeopardy specifically because the jury was not reconvened to determine guilt or innocence on a separate charge State v. Nash, 294 S.W.3d 541 (2009). State v. Nash, 294 S.W.3d 541 (2009) further states that two-stage DUI proceedings do not pose a double-jeopardy problem State v. Nash, 294 S.W.3d 541 (2009). 

The State must present admissible proof sufficient to establish the qualifying prior convictions before the present conviction may be enhanced to a fourth offense State v. Troutman, 327 S.W.3d 717, 726 (2008). 

In State v. Troutman, 327 S.W.3d 717, 726 (2008), the court held that the defendant’s conviction had to be reduced from fourth-offense DUI to first-offense DUI specifically because the trial court impermissibly admitted documents that constituted the State’s sole proof of the prior DUI convictions State v. Troutman, 327 S.W.3d 717, 726 (2008). The court remanded for entry of a judgment reflecting first-offense DUI and for resentencing State v. Troutman, 327 S.W.3d 717, 726 (2008). 

State v. Dobbins, 754 S.W.2d 637, 643 (1988) states that the Post-Conviction Procedure Act provides the exclusive remedy for collaterally attacking a facially valid judgment State v. Dobbins, 754 S.W.2d 637, 643 (1988). In State v. Dobbins, 754 S.W.2d 637, 643 (1988), the court held that prior convictions could not be collaterally attacked in the pending enhancement prosecution specifically because the convictions were facially valid and were being used to enhance punishment; the defendant also failed to object when certified judgments were introduced and later stipulated that the judgments and his identity as the convicted person were correct State v. Dobbins, 754 S.W.2d 637, 643 (1988). Although State v. Dobbins, 754 S.W.2d 637, 643 (1988) involved habitual-criminal proceedings, it relied on the same collateral-attack rule previously applied to prior convictions used to enhance pending DUI prosecutions State v. Dobbins, 754 S.W.2d 637, 643 (1988). 

A person convicted of a fourth or subsequent DUI must be fined between $3,000 and $15,000 Tenn. Code Ann. § 55-10-403 .

If the person committed the offense while accompanied by a child under eighteen, an additional $1,000 fine applies Tenn. Code Ann. § 55-10-403 .

Unless the judge determines under the criteria identified in Tenn. Code Ann. § 40-14-202(b) that the defendant is indigent, the applicable minimum fine is mandatory and may not be reduced or suspended Tenn. Code Ann. § 55-10-403 .

The fines are due on the date sentence is imposed unless the court affirmatively finds that the defendant lacks a present ability to pay Tenn. Code Ann. § 55-10-403 . If the court makes that finding, it must set a date certain for payment, and if the defendant does not comply, the clerk must notify the court for further proceedings Tenn. Code Ann. § 55-10-403 .

If a person suffering physical injury or personal loss from the offense is entitled to restitution and the defendant is economically capable of paying it, restitution must be imposed as a condition of probation under Tenn. Code Ann. § 55-10-410 Tenn. Code Ann. § 55-10-403 . 

A person charged with violating Tenn. Code Ann. § 55-10-401 is ineligible for suspension of prosecution and dismissal under Tenn. Code Ann. §§ 40-15-102 through 40-15-105, title 40, chapter 32, or any other diversion program Tenn. Code Ann. § 55-10-411 .

A person convicted under those DUI provisions is not eligible for suspension of sentence or probation under another authorizing law until the person has served, day for day, at least the minimum sentence provided by law Tenn. Code Ann. § 55-10-411 . 

For a fourth offense, Tenn. Code Ann. § 55-10-402 establishes a minimum of 150 consecutive days Tenn. Code Ann. § 55-10-402 . 

No general-sessions judge has jurisdiction to punish a violation of Tenn. Code Ann. § 55-10-401 under the small-offense law Tenn. Code Ann. § 55-10-411 .

A person convicted of an initial or subsequent DUI must receive written advice concerning the penalties for second and subsequent convictions Tenn. Code Ann. § 55-10-411 . When pronouncing sentence, the judge must also advise the defendant of the penalties for additional offenses Tenn. Code Ann. § 55-10-411 .

The written notice must inform the defendant that an out-of-state DUI conviction will be used to enhance punishment for a later violation of Tenn. Code Ann. § 55-10-401 committed in Tennessee Tenn. Code Ann. § 55-10-411 .

Subject to statutory disqualifications not described in the supplied authority, a person whose license has been revoked under Tenn. Code Ann. § 55-10-406 may apply for a restricted license to the trial judge or to a judge in the person’s county of residence who has jurisdiction to try DUI charges Tenn. Code Ann. § 55-10-409 .

If the present DUI falls within a category for which Tenn. Code Ann. § 55-10-409 (b)(2)(B) mandates ignition interlock, the court may issue a restricted license subject to operation of only an interlock-equipped vehicle and may impose additional limitations, including geographic restrictions Tenn. Code Ann. § 55-10-409 . 

If the relevant offense does not fall within a mandatory-interlock category, the court may issue a restricted license and has discretion to impose an ignition-interlock requirement or additional limitations Tenn. Code Ann. § 55-10-409 . A restricted license issued under that provision without an interlock is subject to the geographic restrictions referenced in Tenn. Code Ann. § 55-10-409 (c) Tenn. Code Ann. § 55-10-409 . 

If the person has a prior conviction within the preceding ten years for violating Tenn. Code Ann. § 55-10-401 or § 55-10-421, or for a similar offense in another jurisdiction, the court must restrict the person to operating a vehicle equipped with a functioning ignition-interlock device Tenn. Code Ann. § 55-10-409 .

When the judge approves a restricted-license application for a person not prohibited from receiving one, the judge must also order installation and maintenance of a functioning ignition-interlock device as a condition of probation if, at the time of the offense, the person had a blood- or breath-alcohol concentration of 0.08% or higher Tenn. Code Ann. § 55-10-409 . The same requirement applies if the offense involved alcohol in any amount combined with marijuana, a controlled substance, a controlled-substance analogue, a drug, or another substance affecting the central nervous system Tenn. Code Ann. § 55-10-409 . 

The interlock condition also applies when the person convicted of DUI was accompanied by someone under eighteen or was involved in a reportable traffic accident proximately caused by the person’s intoxication Tenn. Code Ann. § 55-10-409 . 

A person ordered to use an ignition-interlock device under the restricted-license provisions may apply for assistance under Tenn. Code Ann. § 55-10-419, subject to the exception referenced in Tenn. Code Ann. § 55-10-409 (b)(2)(C) Tenn. Code Ann. § 55-10-409 . 

The vehicle used in a person’s second or subsequent Tennessee DUI conviction, or in a second or subsequent conviction consisting of a combination of Tennessee DUI and another state’s DUI statute, is subject to seizure and forfeiture under the procedures in title 40, chapter 33, part 2 Tenn. Code Ann. § 55-10-414 . 

For the forfeiture provision to apply, the conviction making the vehicle forfeitable must occur in Tennessee, and at least one prior conviction must have occurred within five years of the current conviction Tenn. Code Ann. § 55-10-414 . 

Only POST-certified or state-commissioned law-enforcement officers are authorized to seize vehicles under this forfeiture statute Tenn. Code Ann. § 55-10-414 .

Tenn. Code Ann. § 55-10-414 characterizes this forfeiture as remedial rather than punitive and identifies its purpose as preventing persons with a demonstrated pattern of impaired driving from operating a dangerous instrument on Tennessee highways Tenn. Code Ann. § 55-10-414 . 

An officer having probable cause to believe that a motor-vehicle operator is committing DUI or one of the identified vehicular-assault or vehicular-homicide offenses may request blood testing to determine the operator’s alcohol content, drug content, or both Tenn. Code Ann. § 55-10-406 . 

A motor-vehicle operator in Tennessee is deemed to have consented to breath tests, blood tests, or both for determining alcohol or drug content Tenn. Code Ann. § 55-10-406 . Under the stated provision, testing may not be administered unless it is directed by an officer having probable cause to believe the operator committed one of the identified offenses and the operator signs the standardized waiver developed by the Department of Safety Tenn. Code Ann. § 55-10-406 . 

Before conducting a requested breath or blood test, the officer must advise the operator that refusal will result in court suspension of the operator’s driver license Tenn. Code Ann. § 55-10-406 . The officer must also advise that, depending on the operator’s prior criminal history, refusal may lead to a requirement that the operator drive only a vehicle equipped with a functioning ignition-interlock device if the operator is convicted under Tenn. Code Ann. § 55-10-401 , Tenn. Code Ann. § 55-10-406 . 

When the statutory conditions for mandatory testing are met, the officer must administer or cause the administration of breath testing, blood testing, or both Tenn. Code Ann. § 55-10-406 . One identified circumstance is a collision causing injury or death to another when the operator committed DUI or one of the specified vehicular offenses Tenn. Code Ann. § 55-10-406 .

A person arrested for DUI may not be subjected to a strip search or body-cavity search unless the officer has probable cause to believe that the person is concealing a weapon or contraband in a body cavity Tenn. Code Ann. § 55-10-411 . Contraband includes illegal drugs Tenn. Code Ann. § 55-10-411 . 

State v. Nash, 294 S.W.3d 541 (2009) remains directly responsive concerning bifurcation, repeat-offender enhancement, and the felony consequence of fourth-offense status, but its discussion cites an earlier codification of Tennessee’s DUI penalty statute State v. Nash, 294 S.W.3d 541 (2009). The current classification and minimum-confinement rule supplied here appear in Tenn. Code Ann. § 55-10-402 . 

State v. Troutman, 327 S.W.3d 717, 726 (2008) also applied an earlier codification, but its pertinent holding concerns the consequence of legally insufficient proof of prior convictions: reduction from fourth-offense DUI to first-offense DUI and resentencing State v. Troutman, 327 S.W.3d 717, 726 (2008). 

State v. Butler, 108 S.W.3d 845, 853 (2003) concerned a fourth-offense DUI sentence under 1997 sentencing law and a defendant classified as a Range II offender because of two prior felony convictions State v. Butler, 108 S.W.3d 845, 853 (2003). In State v. Butler, 108 S.W.3d 845, 853 (2003), the Tennessee Supreme Court held that a four-year sentence was not excessive specifically because the trial court had properly classified the defendant as a Range II offender, considered the asserted mitigating factor, and declined to give that factor substantial weight in light of the fourth DUI conviction State v. Butler, 108 S.W.3d 845, 853 (2003). That fact-specific decision does not establish that every present fourth-offense DUI carries a four-year sentence. 

In sum, a Tennessee fourth-offense DUI is a Class E felony built on a present violation of the DUI statute and three qualifying prior convictions. It carries at least 150 consecutive days of confinement, a $3,000-to-$15,000 fine, strict limitations on diversion and probation, repeat-offender charging and bifurcation procedures, and potentially ignition-interlock, restricted-license, restitution, and vehicle-forfeiture consequences. The State must properly allege the prior convictions and prove them with admissible evidence during the enhancement phase. 

 In summary, Tennessee recognizes impairment-based, per se alcohol-concentration, commercial-vehicle, underage, and child-passenger DUI categories. Fourth and later offenses are felonies with a 150-day minimum, while the supplied authorities do not establish a complete current classification and mandatory-incarceration schedule for first through third offenses. Repeat-offender status generally follows a linked ten-year counting method subject to a twenty-year outer limit, with separate treatment for specified vehicular, boating, and out-of-state convictions. 

Time is critical following a DUI arrest. You have a limited statutory window to contest the administrative suspension of your driver's license with the Tennessee Department of Safety and Homeland Security.  If you are facing a DUI charge in Chattanooga, East Ridge, Red Bank, Signal Mountain, or anywhere across Hamilton County, contact MacNeill Law Firm immediately at 423-364-4365 to schedule a legal consultation.