There are some rules for orlando window tinting which must be followed by everyone there. So before knowing the rules, you must know that the dark percentage of the window is called VLT. This is the percentage that tells the amount of the light which can pass through the film inside the car. Now the rules are-

Windshield can’t be tinted. Front side of the windows- 28% of the light coming in Back and the rear side of the window- at least 15% of the light coming in Multi-passenger vehicle- 6% light coming in