MO HB1992

Creates new offense of "refusing to submit to a chemical test" under section 577.018, making it a class B misdemeanor for first offense, escalating to class A misdemeanor with one prior intoxication-related conviction, class D felony with two priors, class C felony with three priors, and class B felony with four priors.

Defines "intoxication-related traffic offense" in section 577.023 to include refusing to submit to a chemical test under section 577.018, in addition to driving while intoxicated, excessive blood alcohol content, and related offenses.

Establishes minimum imprisonment requirements for offenders with prior convictions: 10 days for prior offenders, 30 days for persistent offenders, 60 days for aggravated offenders, and 2 years for chronic offenders.

Requires courts to consider mandating continuous alcohol monitoring or verifiable breath alcohol testing at least four times daily for chronic offenders as a condition of probation, with minimum duration of 90 days.

Prohibits courts from suspending sentences or imposing fines in lieu of imprisonment for prior, persistent, aggravated, or chronic offenders.