Article II Section 3

He shall from time to time give to the Congress Information of the State of
the Union, and recommend to their Consideration such Measures as he shall
judge necessary and expedient; he may, on extraordinary Occasions, convene
both Houses, or either of them, and in Case of Disagreement between them,
with Respect to the Time of Adjournment, he may adjourn them to such Time as
he shall think proper; he shall receive Ambassadors and other public
Ministers; he shall take Care that the Laws be faithfully executed, and shall
Commission all the Officers of the United States.