Trump upset about half-staff flags for Jimmy Carter during his inauguration

The flag flies at half-staff for the late President Jimmy Carter at the White House, Sunday, Dec. 29, 2024. Carter, who was 100 years old, died Sunday at his home in Plains, Ga. (AP Photo/Manuel Balce Ceneta)

President-elect Donald Trump has expressed frustration that flags will be flying at half-staff when he takes office later this month.

It’s an action put in place by President Joe Biden to honor the late President Jimmy Carter, who died Sunday at 100. And while Trump will be the first president sworn in with U.S. flags lowered to half-staff, it’s not a timeline that he can do anything about — until after he takes office.

Here’s what to know about why flags are lowered when a president dies, who can issue that order and how long the process lasts: