This chapter applies to day care centers for the elderly and adults with a medical disability as defined in Health-General Article, Title 14, Subtitles 2 and 3, Annotated Code of Maryland. This chapter does not: Affect a relative, domestic partner, neighbor, or friend who cares for an individual with a medical disability by mutual agreement; or Apply to nutrition sites, senior centers under the auspices of the Department of Aging, or social model programs that individuals may attend to participate in meals or diversion activities.