62 STAT.] 80rH CONG., 2D SESS.-CH. 646 -JUNE 25, 1948 965 and may transfer the application for hearing and determination to the district court having jurisdiction to entertain it. (c) The writ of habeas corpus shall not extend to a prisoner unless- (1) He is in custody under or by color of the authority of the United States or is committed for trial before some court thereof; or (2) He is in custody for an act done or omitted in pursuance of an Act of Congress or an order, process, judgment or decree of a court or judge of the United States; or (3) He is in custody in violation of the Constitution or laws or treaties of the United States; or (4) He, being a citizen of a foreign state and domiciled therein is in custody for an act done or omitted under any alleged right, title, authority, privilege, protection, or exemption claimed under the commission, order or sanction of any foreign state, or under color thereof, the validity and effect of which depend upon the law of nations; or (5) It is necessary to bring him into court to testify or for trial. § 2242. Application Application for a writ of habeas corpus shall be in writing signed and verified by the person for whose relief it is intended or by some- one acting in his behalf. It shall allege the facts concerning the applicant's commitment or detention, the name of the person who has custody over him and by virtue of what claim or authority, if known. It may be amended or supplemented as provided in the rules of procedure applicable to civil actions. If addressed to the Supreme Court, a justice thereof or a circuit judge it shall state the reasons for not making application to the district court of the district in which the applicant is held. § 2243. Issuance of writ; return; hearing; decision A court, justice or judge entertaining an application for a writ of habeas corpus shall forthwith award the writ or issue an order direct- ing the respondent to show cause why the writ should not be granted, unless it appears from the application that the applicant or person detained is not entitled thereto. The writ, or order to show cause shall be directed to the person having custody of the person detained. It shall be returned within three days unless for good cause additional time, not exceeding twenty days, is allowed. The person to whom the writ or order is directed shall make a return certifying the true cause of the detention. When the writ or order is returned a day shall be set for hearing, not more than five days after the return unless for good cause additional time is allowed. Unless the application for the writ and the return present only issues of law the person to whom the writ is directed shall be required to produce at the hearing the body of the person detained. The applicant or the person detained may, under oath, deny any of the facts set forth in the return or allege any other material facts. The return and all suggestions made against it may be amended, by leave of court, before or after being filed. The court shall summarily hear and determine the facts, and dispose of the matter as law and justice require. § 2244. Finality of determination No circuit or district judge shall be required to entertain an appli- cation for a writ of habeas corpus to inquire into the detention of a
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