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.

GOP governors of at least eight states ordered flags to be flown at full-staff on Inauguration Day, bucking tradition by raising flags before the end of a customary 30-day mourning period following the death of former President Jimmy Carter.