South Dakota Laws > Title 32 > Chapter 20 > § 32-20-4.2 South Dakota Codified Laws 32-20-4.2. Protective devices not required of riders in enclosed cab Current as of: 2023 | Check for updates | Other versions Section 32-20-4, requiring helmets, and § 32-20-4.1 shall not apply to persons riding within an enclosed cab. Source: SL 1970, ch 176, § 3. Previous sectionNext section Chapter 20 Contents