^**1. It shall be unlawful for a person to:

1. (1) Drive a commercial motor vehicle in a willful or wanton disregard for the safety of persons or property;
2. (2) Drive a commercial motor vehicle while having an alcohol concentration of four one-hundredths of a percent or more as prescribed by the secretary or such other alcohol concentration as may be later determined by the secretary by regulation; or

3. (3) Drive a commercial motor vehicle while under the influence of any substance so classified under section 102(6) of the Controlled Substances Act (21 U.S.C. 802(6)), including any substance listed in*** schedules I through V of 21 CFR part 1308, as they may be revised from time to time.

   ^****2. Except as otherwise provided for in sections 302.700 to 302.780, whenever the doing of anything is required or is prohibited or is declared to be unlawful, any person who shall be convicted of a violation thereof shall be guilty of a class B misdemeanor.

(L. 1989 1st Ex. Sess. H.B. 3)

*This section was amended by S.B. 491, 2014, effective 1-01-17. Due to the delayed effective date, both versions of this section are printed here.

**Subsection 1 effective 4-01-92

***Word "on" appears in original rolls.

****Subsection 2 effective 7-27-89