10 ILCS 5/4-6.1

In addition to registration at the office of the county clerk, and at the offices of municipal and township or road district clerks, each county clerk shall provide for the following additional methods of registration:

(1) the appointment of deputy registrars as provided in Section 4-6.2; and

(2) the establishment of temporary places of registration, as provided in Section 4-6.3.

Each county clerk may provide for precinct registration pursuant to Section 4-7.