United States Statutes at Large/Volume 1/3rd Congress/1st Session/Chapter 17
President of United States in certain cases authorized to alter place for holding a session of Congress.
1799, ch. 12.Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That whenever the Congress shall be about to convene, and, from the prevalence of contagious sickness, or the existence of other circumstances, it would, in the opinion of the President of the United States, be hazardous to the lives or health of the members to meet at the place to which the Congress shall then stand adjourned, or at which it shall be next by law to meet, the President shall be, and he hereby is authorized, by proclamation, to convene the Congress at such other place as he may judge proper.
Approved, April 3, 1794.