Explanation:
"Windshield and window stickers are allowed only in these locations:
1) A 7-inch square on either the lower corner of the passenger’s side windshield or the lower corner of the rear window.
2) A 5-inch square on the lower corner of the driver’s side window.
3) On the side windows behind the driver.
4) A 5-inch square located in the center uppermost portion of your windshield for an electronic toll payment device."