Home › USC › Title 18 › Chapter 30518 U.S.C. Chapter 305 — COMMITMENT AND TRANSFER§ 4081— Classification and treatment of prisoners§ 4082— Commitment to Attorney General; residential treatment centers; extension of limits of confinement; work furlough§ 4083— Penitentiary imprisonment; consent§ 4086— Temporary safe-keeping of federal offenders by marshals