Any person may file a written complaint with the Department alleging that a business is:operating without a license; operating with improper licensure; violating the terms of a business license; or engaging in unfair, abusive, or deceptive trade practices against consumers. A complaint filed under this subsection must be in the form required by the Director. The Director may issue a written complaint alleging that a business is committing or has committed 1 or more of the acts described under § 42-28(a) {“Investigation procedures: Initiation of investigation”}.