Class A Multiple Dwelling or Class B?

Q: What is the difference between a Class A Multiple Dwelling and a Class B Multiple Dwelling?

A: A Class 'A' Multiple Dwelling is for permanent residential occupancy. A Class 'B' Multiple Dwelling is for transient residential occupancy. See MDL Sec 4 (Definitions), Items 8 & 9:

"8. A "Class A" multiple dwelling is a multiple dwelling which is occupied, as a rule, for permanent residence purposes. This class shall include tenements, flat houses, maisonette apartments, apartment houses, apartment hotels, bachelor apartments, studio apartments, duplex apartments, kitchenette apartments, garden-type maisonette dwelling projects, and all other multiple dwellings except class B multiple dwellings.

9. A "Class B" multiple dwelling is a multiple dwelling which is occupied, as a rule transiently, as the more or less temporary abode of individuals or families who are lodged with or without meals. This class shall include hotels, lodging houses, rooming houses, boarding houses, boarding schools, furnished room houses, lodgings, club houses, college and school dormitories and dwellings designed as private dwellings but occupied by one or two families with five or more transient boarders, roomers or lodgers in one household."