Though federal flag code dictates a 30-day mourning period after the death of a former president, not everyone is complying. Here's what we know.

With the death of President Jimmy Carter at age 100, President Joe Biden has ordered flags to fly at half-mast.

U.S. House Speaker Mike Johnson granted President-elect Trump's request to suspend a 30-day mourning period for former President Jimmy Carter in order to fly flags at full staff during the inauguration.