Peoria — Ch. 17 Human Relations, Housing and Employment § 17-32

(a) Whenever it is charged in writing and under oath, or affirmation, by a person, referred to as the complainant, that any person referred to as the respondent, has engaged or is engaging in any unlawful discriminatory practices as defined in Divisions 2 through 5 of Article III of this chapter, in matters relating to such discriminatory practices, the equal opportunity office shall conduct a preliminary investigation. Such charge shall be in such detail as to substantially apprise any party properly concerned as to the time, place and facts with respect to such alleged unlawful discriminatory practices and shall be filed with the equal opportunity office within 180 days after the alleged unlawful discriminatory practices are committed or be barred.
(b) The equal opportunity office shall serve a copy of the charge upon the respondent within ten days of its receipt. After filing the charges shall not be made public by the commission, the equal opportunity office or the complainant.
(c) If the equal opportunity office determines after such preliminary investigation that there is a lack of substantial evidence showing that unlawful discriminatory practices have been or are being engaged in, the equal opportunity office shall notify the complainant and respondent that it has so determined that it will not issue a complaint in this matter.
(d) The commission and hearing board shall not process any complaint filed with it if a similar complaint is filed before the state department of human rights or the federal equal employment opportunity commission, except that this prohibition shall not apply to a complaint if the similar complaint is filed before one of the aforesaid agencies has contracted to refer all complaints arising within the purpose of this article to the fair employment and housing commission of the city.