FL S1810

Replaces "driving under the influence" terminology with "driving while impaired" throughout Florida law and defines impairment as a weakening or diminishing of physical or mental abilities including balance, coordination, reflexes, and ability to see, hear, walk, and judge distances.

Expands DUI offense criteria to include driving with controlled substances from Schedule I, II, III, or IV of chapter 893 present in blood or urine, in addition to existing alcohol and Schedule I substance provisions.

Provides an affirmative defense for persons charged with violations involving Schedule II-IV controlled substances if the substance was prescribed by a licensed health professional and consumed according to directions, with an exception that use of unprescribed substances does not constitute a defense.

Makes clarifying changes to penalties, procedures, and requirements across multiple statutes related to DUI/DWI offenses, including modifications to license suspension, revocation, ignition interlock device requirements, and testing procedures to align with new "driving while impaired" terminology.

Takes effect July 1, 2012.