As used in this compact, unless the context clearly requires otherwise: (a) '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; the Commonwealth of Puerto Rico. (b) 'Sending state' means a state party to this compact in which conviction or court commitment was had. (c) 'Receiving state' means a state party to this compact to which an incarcerated individual is sent for confinement other than a state in which conviction or court commitment was had. (d) 'Incarcerated individual' means a male or female offender who is committed, under sentence to or confined in a penal or correctional institution. (e) 'Institution' means any penal or correctional facility, including but not limited to a facility for the mentally ill or mentally defective, in which incarcerated individuals as defined in subdivision (d) of this section may lawfully be confined.
New York Legal Code