United States Code/Title 48/Chapter 4/IV

§ 864. Appeals, certiorari, removal of causes, etc.; use of English language
The laws of the United States relating to appeals, certiorari, removal of causes, and other matters or proceedings as between the courts of the United States and the courts of the several States shall govern in such matters and proceedings as between the United States District Court for the District of Puerto Rico and the courts of Puerto Rico.

All pleadings and proceedings in the United States District Court for the District of Puerto Rico shall be conducted in the English language.

§ 868. Fees part of United States revenues
All fees, fines, costs, and forfeitures as would be deposited to the credit of the United States if collected and paid into a district court of the United States shall become revenues of the United States when collected and paid into the United States District Court for the District of Puerto Rico. The sum of $500 a year from such fees, fines, costs, and forfeitures shall be retained by the clerk and expended for law library purposes under the direction of the judge.

§ 869. Fees payable by United States out of revenue of Puerto Rico
Such fees and expenses as are payable by the United States if earned or incurred in connection with a district court of the United States shall be paid from the revenue of Puerto Rico if earned or incurred in connection with the United States District Court for the District of Puerto Rico.

§ 872. Habeas corpus; mandamus; suit to restrain assessment or collection of taxes
The supreme and district courts of Puerto Rico and the respective judges thereof may grant writs of habeas corpus in all cases in which the same are grantable by the judges of the district courts of the United States, and the district courts may grant writs of mandamus in all proper cases.

No suit for the purpose of restraining the assessment or collection of any tax imposed by the laws of Puerto Rico shall be maintained in the United States District Court for the District of Puerto Rico.

§ 874. Judicial process; officials to be citizens of United States; oath
All judicial process shall run in the name of “United States of America, ss, the President of the United States”, and all penal or criminal prosecutions in the local courts shall be conducted in the name and by the authority of “The People of Puerto Rico.” All officials shall be citizens of the United States, and, before entering upon the duties of their respective offices, shall take an oath to support the Constitution of the United States and the laws of Puerto Rico.