(a) Except as provided by Sections 521.342(b), 521.344(a), (b), (d), (e), (f), (g), (h), and (i), 521.345, 521.346, 521.3465, and 521.351, a suspension under this subchapter is for one year.
(b) If a license is suspended under this subchapter for a subsequent period, the subsequent suspension is for 18 months except as otherwise provided by a section listed in Subsection (a).

(c) Except as provided by § 521.457(h), if the license holder is convicted of operating a motor vehicle while the license to operate a motor vehicle is cancelled, disqualified, suspended, revoked, or denied, the period is extended for 90 days, in addition to any penalty assessed under this chapter or Chapter 522.