Wednesday in the United States is a national day of mourning for former President George H.W. Bush, who died Sunday at age 94.
The Postal Service is suspending regular mail delivery and retail service. USPS will provide limited package delivery service.
Most federal offices will be closed "to allow Federal employees to join their fellow citizens in remembering our forty-first President of the United States."
Canadian Prime Minister Justin Trudeau also announced that flags will fly at half-mast on federal buildings in Canada and at Canadian offices in the U.S.
Bush's state funeral will be held at 11 a.m. EST at the National Cathedral in Washington, D.C. He will be buried Thursday at his presidential library at Texas A&M University in College Station, Texas.