Drivers must display a sticker on their windshields after tomorrow. If not, you risk getting a ticket and paying a $40 penalty fee on top of the $75 cost of the sticker.
The City Clerk's office extended the deadline for purchasing stickers by two weeks after a defect was discovered in one batch.
Stickers can be still be purchased online and at currency exchanges.
www.chicityclerk.com/licenses/citystickers.html