10 ILCS 5/6-36
The board of election commissioners shall supply deputy registrars and judges of registration with registration forms and shall fully instruct them in their duties. Each deputy registrar and judge of registration shall receipt to the board of election commissioners for all blank registration record cards issued to them, specifying therein the number of the blanks received by them, and each such deputy registrar and judge of registration shall be charged with such blanks until he returns them to the board of election commissioners. If for any cause a blank registration record card is mutilated or rendered unfit for use in making it out, or if a mistake therein has been made, such blank shall not be destroyed, but the word "mutilated" shall be written across the face of such blank, and such blank shall be returned to the board of election commissioners and shall be preserved in the same manner and for the same length of time as mutilated ballots. When any registration shall have been completed, each deputy registrar and judge of registration shall return all registration record cards to the board of election commissioners whether such cards have been filled out and executed or whether they are unused, or whether they have been mutilated. Deputy registrars and judges of registration shall make personal delivery of the registration records to the board of election commissioners, after the close of each registration and before they separate. Each deputy registrar and judge of registration shall certify the registration records in substantially the following form:
"We, the undersigned deputy registrars and judge of registration in .... County of .... in the State of Illinois, do swear (or affirm) that at the registration of electors on the .... day of .... there was registered by us in the said election precinct the names which appear on the registration record cards, and that the number of voters registered and qualified was and is the number of .....
...............(Judge of Registration)
...............(Deputy Registrar)
...............(Deputy Registrar)
Date ........."
10 ILCS 5/6-36