(a) Whenever it is charged in writing and under oath, 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 practice(s) in Section 515.02
or upon its own initiative in matters relating to such unlawful discriminatory practices, the Fair Housing Officer or a committee designated by the Fair Housing Commission shall initiate a preliminary investigation. Such preliminary investigation shall be an attempt to determine whether or not there is any merit to the charge. If it is determined after such preliminary investigation that it is not probable that any unlawful discriminatory practice has occurred, the Fair Housing Officer or the committee shall notify the "respondent" and the "complainant" of its determination and no further action wild be pursued. No such complaint shall be made later than 120 days after the date of occurrence of the act or practice complained of.