Georgia sets its limits in O.C.G.A. 40-8-73.1, and the Department of Public Safety summarizes them: the windows to either side of the driver and the rear glass must let through at least 32% of light, plus or minus 3%, and must not reflect more than 20%. Tint is not permitted on the front windshield, apart from the exceptions the statute lists, such as a transparent item in the uppermost six inches that is not red or amber. Multipurpose passenger vehicles, buses and limousines are exempt on the rear windshield and the side windows behind the driver, and the DPS may issue a permit where there is a special medical need. For the full picture, check our Georgia window tint laws page. It is the finished glass and film together that gets measured, and installing film outside the limits is a misdemeanor for the installer as well as the driver, so agree the shade before the work starts.