U.S. Marshals Service Policy Directive - Writs of Habeas Corpus and Special Production
Document
In 1981, the Office of General Counsel (OGC) for the Department of Justice (DOJ) issued a ruling on the transfer of Federal prisoners to the physical custody of a state or local agency for production in a state or local court pursuant to a writ of habeas corpus ad prosequendum or ad testificandum.