34 Pa. Code § 55.1
This Division shall apply to a building, or part thereof, where the occupants are in group habitation and are not included under Division C-1, C-3, C-4 or C-5. Hotels, apartment buildings, multiple dwellings, dormitories, lodging houses, orphanages, children’s residential institutions, large personal care homes, group homes, group foster homes and the like shall be in this classification.