Chapter 4. Uniform Classification and Commercial Driver’s License. § 50–401. Definitions. § 50–402. Uniform classification and commercial driver’s license requirements. § 50–403. Commercial motor vehicle driver responsibility. § 50–404. Employer responsibility. § 50–405. Penalties. § 50–405.01. Commercial motor vehicle operation; additional requirements, violation, adjudication. § 50–406. Disqualification. § 50–407. Medical. § 50–408. Fees. § 50–409. Rules.