This chapter applies to all conferences, hearings, and appeals conducted pursuant to State Personnel and Pensions Article, Titles 11 and 12, Annotated Code of Maryland. This chapter shall be construed to ensure the fair and expeditious processing of grievances and disciplinary actions. This chapter supplements the procedures established by statute. Hearings are governed by this chapter and COMAR 28.02.01. In the case of a conflict between this chapter and COMAR 28.02.01, this chapter prevails.