"On January 20th, the flags at the Capitol will fly at full-staff to celebrate our country coming together behind the inauguration of our 47th President, Donald Trump," Johnson said in a statement. "The flags will be lowered back to half-staff the following day to continue honoring President Jimmy Carter.”

After the death of a former president, federal flag code dictates that flags should be flown at half-staff for 30 days. After Former President Jimmy Carter died on Dec. 29 at age 100, President Joe Biden issued a proclamation to lower flags to half-staff for the standard period.

The president-elect had expressed concern that Democrats seemed happy to see the flag lowered during the inauguration ceremony despite the tradition of lowering flags after a president's death.

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.