Dwelling
Dwelling means the place of permanent or customary and usual residence of a person, according to local custom or law, including a single-family house; a single-family unit in a two-family, multi-family, or multi-purpose property; a unit of a condominium or cooperative housing project; a mobile home, or any other residential unit.
Source
49 CFR § 24.2
Scoping language
Definitions. Unless otherwise noted, the following terms used in this part shall be understood as defined in this section: