49 CFR § 384.216 - Second offenses.
(a)General rule. The State must disqualify for life from operating a CMV each person who is convicted, as defined in § 383.5 of this subchapter, in any State or jurisdiction, of a subsequent offense as described in Table 1 to § 383.51 of this subchapter.
(b)Special rule for certain lifetime disqualifications. A driver disqualified for life under Table 1 to § 383.51 may be reinstated after 10 years by the driver's State of residence if the requirements of § 383.51(a)(6) have been met.