# T1-controlled-substance-noncmv-second — FMCSA commercial driver disqualification offenses and periods For T1-controlled-substance-noncmv-second, table is Table 1 (major offenses); offense is Being under the influence of a controlled substance; vehicle type at time of offense is non-CMV; occurrence is second; disqualification period is Life, recorded from its source on 2026-08-17. - **Offense ID:** T1-controlled-substance-noncmv-second _(our reading, not quoted from the source)_ - **Table:** Table 1 (major offenses) _(our reading, not quoted from the source)_ - **Offense:** Being under the influence of a controlled substance _(verified: appears in the quote below)_ - **Vehicle type at time of offense:** non-CMV _(our reading, not quoted from the source)_ - **Occurrence:** second _(our reading, not quoted from the source)_ - **Disqualification period:** Life _(verified: appears in the quote below)_ - **CFR citation:** 49 CFR 383.51(b)(2) _(our reading, not quoted from the source)_ - **Reinstatement eligible:** yes _(our reading, not quoted from the source)_ ## What the source says > (2) Being under the influence of a controlled substance * * * | 1 year | 1 year | 3 years | Life | Life. ## Source - https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-383/subpart-D/section-383.51 Last verified: 2026-08-17. Review by: 2027-08-17. Part of [FMCSA commercial driver disqualification offenses and periods](https://referencesource.org/cdl-disqualification-offenses-and-periods/).