Subchapter III-A. Impaired Operating or Driving. Part A. Definitions. §§ 50-2206.01 – 50-2206.01 Part B. Operating a Vehicle. §§ 50-2206.11 – 50-2206.18 Part C. Operating a Watercraft. §§ 50-2206.31 – 50-2206.36 Part D. Enforcement. §§ 50-2206.51 – 50-2206.59