The tint color(s) of red and amber are not legal by state law. Penalties for violating the arizona law. Tinted Film Tinted Windows Window Tint Film Car Window Film manufacturers do need to certify the film they sell in state, accordingly to alabama law. Colored window tint legal . The most common shade limit recommended is 35% for the rear windows. Tinted windows require specific upkeep to ensure that the benefits last for a long time. Do i need a certified sticker from the company installing my window tint in missouri? Is it illegal to tint your front windows? There is no need to have a sticker to identify legal tinting. Additionally, what percent tint is legal in california? A sticker to identify legal window tinting is currently not required under colorado window tint law. Most officers can use tint meter on your vehicles. Your windshield cannot be tinted in any state, but some states allow you to add. The plastic film that attaches to your auto glass ...