; and (2) core correctional services at each such facility shall be performed by employees of the Federal Government. (b) Waiver authorized If the Attorney General determines that the Federal Government is unable to comply with subsection (a) by the date that is 2 years after the date of enactment of this Act, the Attorney General may waive the application of subsection (a) for not more than 1 year. (c) Electronic monitoring of released persons Electronic monitoring of the location of a person released from the custody of the Federal Government may be conducted only by a public entity under the supervision and control of the Federal Government or a non-profit entity that has a contract with the Federal Government to perform such monitoring. 4. Prohibition on private for-profit entities running State and local prisons or detention alternatives after 2 years (a) Operational control Except as provided in subsection (b), on and after the date that is 2 years after the date of enactment of this Act— (1) no private for-profit entity engaged in or affecting interstate commerce shall own or have direct, operational control over a facility housing adult prisoners or detainees in the custody of the State or local government