IID mandatory 1 year after any excessive (0.20+) or repeat conviction; available for restricted driving on standard offenses.
By offense
First offense: IID not required at this level — IID 1 year after suspension mandatory for excessive (0.20+) first offense.
Second offense: IID required — IID 1 year post-suspension.
Third offense: IID required
Statute: Idaho Code § 18-8008
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