This chapter governs procedures for all contested case hearings of an administrative unit within the Department, with the exception of hearings conducted under the following: Public Safety Article, Title 12, Subtitle 9, Annotated Code of Maryland, and corresponding regulations; Business Regulation Article, §3-314, Annotated Code of Maryland, and corresponding regulations; Labor and Employment Article, Title 5, Subtitle 2 and Subtitle 5, Part III, Annotated Code of Maryland, and corresponding regulations; Labor and Employment Article, Title 8, Subtitle 5, Annotated Code of Maryland, and corresponding regulations; and State Finance and Procurement Article, Title 17, Subtitle 2, Annotated Code of Maryland, and corresponding regulations. The procedures in this chapter are intended to supplement the procedures required by law, and may not be construed as creating additional or contrary substantive rights. An administrative unit may promulgate additional hearing regulations to supplement or modify this chapter under the administrative unit's enabling statute. If a conflict exists between this chapter and the statute or regulations governing an administrative unit, the statute or regulations of the individual administrative unit shall govern. If a conflict exists between this chapter and the Rules of Procedure of the Office of Administrative Hearings in COMAR 28.02.01, this chapter shall govern.