1. Short title This Act may be cited as The Solitary Confinement Study and Reform Act of 2018 . 2. Purposes The purposes of this Act are to— (1) develop and implement national standards for the use of solitary confinement to ensure that it is used infrequently and only under extreme circumstances; (2) establish a more humane and constitutionally sound practice of segregated detention or solitary confinement in correctional facilities; (3) accelerate the development of best practices and make reforming solitary confinement a top priority in each correctional facility at the Federal and State levels; (4) increase the available data and information on the incidence of solitary confinement, consequently improving the management and administration of correctional facilities; (5) standardize the definitions used for collecting data on the incidence of solitary confinement; (6) increase the accountability of correctional facility officials who fail to design and implement humane and constitutionally sound solitary confinement practices; (7) protect the Eighth Amendment rights of inmates at correctional facilities; and (8) reduce the costs that solitary confinement imposes on interstate commerce. 3. National solitary confinement study and reform commission (a) Establishment There is established a commission to be known as the National Solitary Confinement Study and Reform Commission. (b) Members (1) In general The Commission shall be composed of 9 members, of whom— (A) 3 shall be appointed by the President; (B) 2 shall be appointed by the Speaker of the House of Representatives, unless the Speaker is of the same party as the President, in which case 1 shall be appointed by the Speaker of the House of Representatives and 1 shall be appointed by the minority leader of the House of Representatives; (C) 1 shall be appointed by the minority leader of the House of Representatives (in addition to any appointment made under subparagraph (B))