Welcome to Tint Laws

Montana Window Tint Law Montana Tint Law Enacted: 1991

Window tinting laws vary from state to state and province to province. Before applying any window tinting materials, you should thoroughly review the appropriate state regulations as well as local enforcement policies to insure compliance with all applicable standards.

HOW DARK CAN WINDOW TINT BE IN Montana

Darkness of tint is measured by Visible Light Transmission percentage (VLT%). In Montana, this percentage refers to percentage of visible light allowed in through the combination of film and the windo

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 24% of light in.
Back Side Windows Must allow more than 14% of light in.
Rear Window Must allow more than 14% of light in.

HOW REFLECTIVE CAN THE TINT BE IN Montana

Front Side Windows Must not be more than 35% reflective.
Back Side Windows Must not be more than 35% reflective.

OTHER Montana RULES AND REGULATIONS

Restricted Colors No colors of tint are explicitly banned.
Side Mirrors No restrictions.
Certificate Requirements Manufacturers of film do NOT need to certify the film they sell in the state.
Sticker Requirements State law recommends but does not require stickers to identify legal tinting.
Medical Exemption State allows medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.