In this chapter, the following terms have the meanings indicated. Terms Defined. “Applicant” means a small water company seeking a change in rates or rate design under the provisions of this chapter. “Small water company” means a water company as defined in Public Utilities Article, §1-101, Annotated Code of Maryland eligible to seek a change in rates or rate design under the provisions of this chapter. “Staff-assisted rate case” means a proceeding by which a small water company may, under the provisions of this chapter, seek a rate increase or change in rate design.