South Dakota State Regulations
Window Tint Darkness
- Windshield: Non-reflective tint is allowed above the manufacturer’s AS-1 line.
- Front Side windows: Must allow more than 35% of light in.
- Back Side windows: Must allow more than 20% of light in.
- Rear Window: Must allow more than 20% of light in.
Window Tint Reflection
- Front Side windows: No metallic or mirrored appearance.
- Back Side windows: No metallic or mirrored appearance.
Source: https://sdlegislature.gov/Statutes/Codified_Laws/2054601