10 ILCS 5/5-16.1

In addition to registration at the office of the county clerk and at the offices of municipal and township clerks, each county subject to this Article shall provide for the following methods of registration: (1) The appointment of deputy registrars as provided in Section 5-16.2; (2) The establishment of temporary places of registration as provided in Section 5-16.3. Each county subject to this Article may provide for precinct registration pursuant to Section 5-17.