Indiana § 9-30-5-1 - Class C misdemeanor; defense

Full text of Indiana Indiana Code § 9-30-5-1 — Class C misdemeanor; defense, with citation guidance and answers to common questions.

§ 9-30-5-1. Class C misdemeanor; defense

Sec. 1. (a) A person who operates a vehicle with an alcohol concentration equivalent to at least eight-hundredths (0.08) gram of alcohol but less than fifteen-hundredths (0.15) gram of alcohol per:

(1) one hundred (100) milliliters of the person's blood; or

(2) two hundred ten (210) liters of the person's breath;

commits a Class C misdemeanor.

(b) A person who operates a vehicle with an alcohol concentration equivalent to at least fifteen-hundredths (0.15) gram of alcohol per:

(1) one hundred (100) milliliters of the person's blood; or

(2) two hundred ten (210) liters of the person's breath;

commits a Class A misdemeanor.

(c) A person who operates a vehicle with a controlled substance listed in schedule I or II of IC 35-48-2 or its metabolite in the person's blood commits a Class C misdemeanor.

(d) It is a defense to subsection (c) that:

(1) the accused person consumed the controlled substance in accordance with a valid prescription or order of a practitioner (as defined in IC 35-48-1.1) who acted in the course of the practitioner's professional practice; or

(2) the:

(A) controlled substance is marijuana or a metabolite of marijuana;

(B) person was not intoxicated;

(C) person did not cause a traffic accident; and

(D) substance was identified by means of a chemical test taken pursuant to IC 9-30-7.

[Pre-1991 Recodification Citation: 9-11-2-1.]

As added by P.L.2-1991, SEC.18. Amended by P.L.33-1997, SEC.7; P.L.266-1999, SEC.2; P.L.1-2000, SEC.6; P.L.1-2000, SEC.7; P.L.175-2001, SEC.5; P.L.63-2018, SEC.1; P.L.142-2020, SEC.8; P.L.49-2021, SEC.1; P.L.186-2025, SEC.85.

Source: official Indiana text · Last verified 2026-08-27

Frequently Asked Questions About Indiana § 9-30-5-1

What does Indiana Code § 9-30-5-1 cover?

Section 9-30-5-1 ("Class C misdemeanor; defense") is part of the Indiana Code, the codified statutory law of Indiana. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Indiana § 9-30-5-1?

A common citation format is "Indiana Code § 9-30-5-1" (Indiana). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Indiana law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Indiana official source linked on this page or consult a licensed Indiana attorney.

How does Indiana § 9-30-5-1 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Indiana can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Indiana.