Honoring Antonin Scalia, Associate Justice of the United States
UPDATE: We now know that Justice Scalia's interment will take place on Saturday, February 20, 2016. As such, flags may be returned to full-staff at sunset the same day.
On February 13, 2016, The President of the United States issued a proclamation ordering the flag of the United States to be displayed at half-staff from then until sunset on the day of Antonin Scalia's interment, which had not yet been scheduled.
Presidential Proclamation: Death of Antonin Scalia
As a mark of respect for Antonin Scalia, Associate Justice of the United States, I hereby order, by the authority vested in me by the Constitution and laws of the United States of America, including section 7 of title 4, United States Code, that the flag of the United States shall be flown at half-staff at the White House and on all public buildings and grounds, at all military posts and naval stations, and on all naval vessels of the Federal Government in the District of Columbia and throughout the United States and its Territories and possessions until sunset, on the day of interment. I also direct that the flag shall be flown at half-staff for the same period at all United States embassies, legations, consular offices, and other facilities abroad, including all military facilities and naval vessels and stations.
IN WITNESS WHEREOF, I have hereunto set my hand this thirteenth day of February, in the year of our Lord two thousand sixteen, and of the Independence of the United States of America the two hundred and fortieth.
BARACK OBAMA
The proclamation can also be read here.
For information on flying your flag at half staff, read here.