1. All process of this court shall be in the name of the President of the United States.

2. When process at common law or in equity shall issue against a state, the same shall be served on the governor, or chief executive magistrate, and attorney-general of such state.

3. Process of subpoena, issuing out of this court, in any suit in equity, shall be served on the defendant sixty days before the return-day of the said process; and if the defendant, on such service of the subpoena, shall not appear at the return-day, the complainant shall be at liberty to proceed ex parte.