1. Short title This Act may be cited as the Solitary Confinement Reform Act . 2. Solitary confinement reforms (a) Amendment Chapter 303 of title 18, United States Code, is amended by adding at the end the following: 4050. Solitary confinement (a) Definitions In this section: (1) Administrative maximum facility The term administrative maximum facility means a maximum-security facility, including the Administrative Maximum facility in Florence, Colorado, designed to house inmates who present an ongoing significant and serious threat to other inmates, staff, and the public. (2) Administrative segregation The term administrative segregation means a nonpunitive form of solitary confinement that removes an individual from the general population of a correctional facility for— (A) investigative, protective, or preventative reasons resulting in a substantial and immediate threat