Title 4 of the United States Code outlines the role of flag of the United States, Great Seal of the United States, Washington, DC, and the states in the United States Code.
[1] Chapter 1: The Flag Note that 36 U.S.C.
§ 110 is where Flag Day is codified.
Chapter 2: The Seal Chapter 3: Seat of the Government Chapter 4: The States Chapter 5: Official Territorial Papers