Indiana Code Title 11. Corrections § 11-8-4-2

Sec. 2. As used in this compact, unless the context clearly requires otherwise:

“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.

“Sending state” means a state party to this compact in which conviction or court commitment was had.

“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.

“Inmate” means a male or female offender who is committed, under sentence to or confined in a penal or correctional institution.

“Institution” means a penal or correctional facility, including but not limited to, a facility for individuals with a mental illness in which inmates may lawfully be confined.