36 USC 129 - National Pearl Harbor Remembrance Day

(a) Designation.— 
December 7 is National Pearl Harbor Remembrance Day.
(b) Proclamation.— 
The President is requested to issue each year a proclamation calling on
(1) the people of the United States to observe National Pearl Harbor Remembrance Day with appropriate ceremonies and activities; and
(2) all departments, agencies, and instrumentalities of the United States Government, and interested organizations, groups, and individuals, to fly the flag of the United States at halfstaff each December 7 in honor of the individuals who died as a result of their service at Pearl Harbor.