10 ILCS 5/4-4
2021 Illinois Compiled Statutes|Chapter 10 - ELECTIONS|10 ILCS 5/ - Election Code.|Article 4 - Registration Of Electors In Counties Having A Population Of Less Than 500,000

 (from Ch. 46, par. 4-4)Sec. 4-4.         The county clerk shall be ex officio the registration  officer of such county and shall have full charge and control of the  registration of voters within such county, where this Article 4 is in  effect.For the 3 days of any 1969 and 1970 re-registration and for precinct  registrations hereinafter provided, 2 of the judges of election, no more  than one from the same political party, theretofore duly appointed and  confirmed as such and acting in each precinct, shall be designated by  the county clerk to constitute a board of registration for each  precinct, respectively, and each of such judges of election so  designated shall serve as a judge of registration therein.In counties over 1,000,000 population town or road district clerks,  city or village clerks, their duly authorized deputies approved by the  county clerk, and employees of the office of the county clerk may be  appointed by the county clerk as deputy registration officers.Such clerks appointed as deputy registration officers may accept  registration of voters at their offices at any time that such  registrations may be accepted by the county clerk, but shall not accept  such registrations at any other place. Such deputy registration officers  shall return any registrations accepted by them to the county clerk  within 7 days after any registration is accepted by them.Registration officers, deputy registration officers and judges of  registration shall be officers of the court and the provisions of the  laws of this State as to vacancies, removal and control (except as  hereinafter provided), and punishment in case of misbehavior of judges  of election shall apply to such registration officials.Each registration officer including officers and judges of  registration shall before entering upon his duties take and subscribe to  the following oath or affirmation:"I do solemnly swear (or affirm, as the case may be) that I will  support the Constitution of the United States, and the Constitution of  the State of Illinois, and that I will faithfully discharge the duties  of the office of registration officer to the best of my ability, and  that I will register no person nor cause the registration of any person  except upon his personal application before me.    .......................................(Signature of Registration Officer)"    This oath shall be administered by the county clerk, or by one of his  deputies, or by any person qualified to take acknowledgments and shall  immediately thereafter be filed with the county clerk, except that  judges of registration may administer such oath or affirmation to each other  and such oath of office and all affidavits which have been signed and sworn  to before them shall be returned to the office of the county clerk in an  envelope provided for that purpose.No registration official for a precinct or other place of  registration shall, without urgent necessity, absent himself from the  place of registration or revision of registration upon any day of  registration or revision of registration whereby less than the number of  persons necessary to conduct the registration or revision of  registration shall be present during such hours of registration or  revision of registration.    (Source: Laws 1968, p. 572.)