Sec. 90.1  Basis and purpose.

    (a) Basis. The rules in this part are promulgated under Title III of 
the Communications Act of 1934, as amended which vests authority in the 
Federal Communications Commission to regulate radio transmission and to 
issue licenses for radio stations. All rules in this part are in 
accordance with applicable treaties and agreements to which the United 
States is a party.
    (b) Purpose. This part states the conditions under which radio 
communications systems may be licensed and used in the Public Safety, 
Special Emergency, Industrial, Land Transportation, and Radiolocation 
Radio Services. These rules do not govern radio systems employed by 
agencies of the Federal Government.