This chapter applies to all contested case hearings held under the authority of Health Occupations Article, §18-315, Annotated Code of Maryland, which concern possible action to be taken by the State Board of Examiners of Psychologists under Health Occupations Article, §18-313, Annotated Code of Maryland, regarding the licensure or registration, or discipline of psychologists and psychology associates. This chapter does not apply to conferences or other informal investigations or proceedings.