Chapter 19. Motor Vehicle Operators; Implied Consent to Chemical Testing. Subchapter I. Chemical Testing. §§ 50-1901 – 50-1904.02 Subchapter II. Refusal to Submit Specimens for Chemical Testing. §§ 50-1905 – 50-1907 Subchapter III. Watercraft. §§ 50-1908 – 50-1912