§ 31.055 QUALIFICATIONS; ELECTIVE OFFICE.
   (A)    A person is not eligible for an elective municipal office unless that person is a qualified elector of the municipality and has resided in the municipality at least one year next preceding the election.
   (B)   (1)   A person is not eligible for an elective municipal office if that person is in arrears in the payment of a tax or other indebtedness due to the municipality or has been convicted in any court located in the United States of any infamous crime, bribery, perjury or other felony, unless such person is again restored to his or her rights of citizenship that may have been forfeited under Illinois law as a result of conviction, which include eligibility to hold elected municipal office, by the terms of a pardon for the offense, has received a restoration of rights by the Governor, or otherwise according to law. Any time after a judgment of conviction is rendered, a person convicted of an infamous crime, bribery, perjury, or other felony may petition the Governor for a restoration of rights.
      (2)   The changes made to this division by the amendatory Act of the 102nd General Assembly are declarative of existing law and apply to all persons elected at the April 4, 2017 consolidated elections and to persons elected or appointed thereafter.
   (C)   A person is not eligible for the office of Alderperson unless that person has resided in the municipality, as the case may be, at least one year next preceding the election or appointment.
(65 ILCS 5/3.1-10-5) (1999 Code, § 1-2-24)