Illinois Additional Proof of Delivery (A.P.O.D.) is a delivery method used in the state of Illinois to provide proof that a package has been successfully delivered. It is an electronic certificate of delivery that includes the recipient's signature, date and time of delivery, and the delivery address. The delivery is completed through the Illinois Department of Transportation (DOT). The two types of Illinois Additional Proof of Delivery are "Advance" and "Express", both of which offer a secure and reliable way to ensure delivery of items. With the Advance option, the package is sent out overnight and tracked throughout its journey, while with the Express option, the package is sent out within a few hours and tracked until it is delivered. Both services guarantee delivery and provide proof of delivery with a signature and date/time of delivery.