625 ILCS 5/3-820
Upon filing in the Office of the Secretary of State an affidavit to the effect that an original number plate for a vehicle is lost, stolen or destroyed, a duplicate number plate shall be furnished upon payment of a fee of $6 for each duplicate plate and a fee of $9 for a pair of duplicate plates.
Upon filing in the Office of the Secretary of State an affidavit to the effect that an original registration sticker or digital registration sticker for a vehicle is lost, stolen or destroyed, a new registration sticker or digital registration sticker shall be furnished upon payment of a fee of $5 for registration stickers or digital registration stickers issued on or before February 28, 2005 and $20 for registration stickers or digital registration stickers issued on or after March 1, 2005.
The Secretary of State may, in his discretion, assign a new number plate or plates in lieu of a duplicate of the plate or plates so lost, stolen or destroyed, but such assignment of a new plate or plates shall not affect the right of the owner to secure a reassignment of his original registration number in the manner provided in this Act. The fee for one new number plate shall be $6, and for a pair of new number plates, $9.
For the administration of this Section, the Secretary shall consider the loss of a registration plate or digital registration plate or plates with properly affixed registration stickers or digital registration stickers as requiring the payment of:
625 ILCS 5/3-820