In this chapter, the following terms have the meanings indicated. Terms Defined. “Appeal” means a grievance or disciplinary action challenged by an employee or former employee. “Business day” means a calendar day, excluding Saturdays, Sundays, and employee holidays as defined in State Personnel and Pensions Article, §9-201, Annotated Code of Maryland. “Designated representative” means an attorney, an employee organization representative, or any other individual authorized in writing by a party to represent the party. “Disciplinary action” has the meaning stated in State Personnel and Pensions Article, §11-104, Annotated Code of Maryland. “Employer” has the meaning stated in State Personnel and Pensions Article, §12-101, Annotated Code of Maryland. “Grievance” has the meaning stated in State Personnel and Pensions Article, §12-101, Annotated Code of Maryland. “Hearing” means a contested case proceeding conducted by the Office of Administrative Hearings. “Office” means the Office of Personnel Services and Benefits, Department of Budget and Management, which is the designated representative of the Secretary. “Party” means an employee filing an appeal, the aggrieved employee's appointing authority, or the Department of Budget and Management when named in a second step grievance decision.