Maryland Correctional Services Section 8-603
§ 8-603.
  (a)   As used in this Compact, unless the context clearly requires otherwise, the following words have the meanings indicated.
  (b)   "Inmate" means a male or female offender who is committed to, under sentence to, or confined in a penal or correctional institution.
  (c)   "Institution" means any penal or correctional facility, including but not limited to a facility for the mentally ill or mentally defective, in which inmates may lawfully be confined.
  (d)   "Receiving state" means a state party to this Compact to which an inmate is sent for confinement other than a state in which conviction or court commitment was had.
  (e)   "Sending state" means a state party to this Compact in which conviction or court commitment was had.
  (f)   "State" means a state of the United States, the United States of America, a territory or possession of the United States, the District of Columbia, or the Commonwealth of Puerto Rico.