N.J. Stat. Ann. § 2A:168-20

Every State which enacts a similar act to this act shall designate at least one of its correctional institutions as a "Compact Institution" and shall incarcerate persons therein as provided in such act, unless the sending and receiving State in question shall make specific contractual arrangements to the contrary. All such States shall have access to "Compact Institutions" at all reasonable hours for the purpose of inspecting the facilities thereof and for the purpose of visiting such of said State's prisoners as may be confined in the institution.