A second DUI in Tennessee is generally classified as a Class A misdemeanor.
Jail: 45 consecutive days – 11 months 29 days; mandatory min 45 days
Fine: $600–$3,500
License suspension: 2 years; hardship: restricted with IID after 1 year (conditions)
Ignition interlock: Required
Vehicle forfeiture/seizure possible on second offense.
Lookback period: 10 years. 10-year lookback for prior-offense counting (20-year outer window applies when there are already priors within 10 — verify at page QC). 4th offense = felony.
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