Section 500-G*2. Commitment by United States courts

Such  keeper  shall
  receive  and  keep  in his jail every person duly committed thereto, for
  any offense against the United States, by any court or  officer  of  the
  United  States,  until  he  shall  be duly discharged; the United States
  supporting such person during  his  confinement;  provided  such  keeper
  shall  not  violate  any  of the provisions of section five hundred-c of
  this article in receiving or detaining such persons; and the  provisions
  of  this  article  relative  to  the  mode  of  confining  prisoners and
  convicts, shall apply to all  persons  so  committed  by  any  court  or
  officer of the United States.
    * NB Effective September 1, 2011