Click here to view South Carolina Tinting Laws 

HOW DARK CAN WINDOW TINT BE IN NORTH CAROLINA?Darkness of tint is measured by Visible Light Transmission percentage (VLT%). In North Carolina, this percentage refers to percentage of visible light allowed in through the combination of film and the window.
Windshield Non-reflective tint is allowed along the top of the windshield 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 35% of light in.
Rear Window Must allow more than 35% of light in.
HOW REFLECTIVE CAN THE TINT BE IN NORTH CAROLINA?Similar to sunglass lenses, some tinting film contain metallic elements that help in reflecting incoming light and reducing the glare and heat generated by visible light.
Front Side Windows Must not be more than 20% reflective.
Back Side Windows Must not be more than 20% reflective.
OTHER NORTH CAROLINA RULES AND REGULATIONS
Restricted Colors The tint color(s) of RED are not legal by state law.
Side Mirrors Dual side mirrors are required if back window is tinted.
Certificate Requirements Manufacturers of film do NOT need to certify the film they sell in the state.
Sticker Requirements No sticker to identify legal tinting is required.
Medical Exemption State allows medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.