Okla. Stat. tit. 22, § 22-729: Definitions

As used in this act:

1. "Penal institution" means a jail, prison, penitentiary,

house of correction, or other place of penal detention or place

where the prisoner is required to reside or report in lieu of penal

detention, including, but not limited to house arrest, half-way

houses, community or treatment centers;

2. "State" means a state of the United States, the District of

Columbia, the Commonwealth of Puerto Rico, or any territory of the

United States;

3. "Witness" means a person who is confined in a penal

institution in a state and whose testimony is desired in another

state by a grand jury or other criminal proceeding before a court.