The Broom Administration is a division of the Office of Transportation of the Department of Magical Affairs. It is responsible for the regulation of broomsticks in Wizarding America. It insures that saftey features be installed on all commercially available brooms.
The Administration also regulates the use of brooms. The Administration is notorious for its mandates about broom flight. Broom flight is not allowed within a certain number of miles of a Muggle settlement, directly porportional to the size of the settlement. Flight plans must be filed with the Administration for all flights over 100 miles in distance.
Flying carpets also fall under the jurisdiction of the Broom Administration.