47 U.S. Code § 605 - Unauthorized publication or use of communications | LII / Legal Information Institute
Title 47 USC 605
a)
Practices prohibited
Except as authorized by chapter 119, title
18, no person receiving, assisting in receiving, transmitting, or assisting in transmitting, any interstate or foreign communication by wire or radio shall divulge or publish the existence, contents, substance, purport, effect, or meaning thereof, except through authorized channels of transmission or reception,
(1) to any person other than the addressee, his agent, or attorney,
(2) to a person employed or authorized to forward such communication to its destination,
(3) to proper accounting or distributing officers of the various communicating centers over which the communication may be passed,
(4) to the master of a ship under whom he is serving,
(5) in response to a subpena issued by a court of competent jurisdiction, or
(6) on demand of other lawful authority. No person not being authorized by the sender shall intercept any radio communication and divulge or publish the existence, contents, substance, purport, effect, or meaning of such intercepted communication to any person. No person not being entitled thereto shall receive or assist in receiving any interstate or foreign communication by radio and use such communication (or any information therein contained) for his own benefit or for the benefit of another not entitled thereto. No person having received any intercepted radio communication or having become acquainted with the contents, substance, purport, effect, or meaning of such communication (or any part thereof) knowing that such communication was intercepted, shall divulge or publish the existence, contents, substance, purport, effect, or meaning of such communication (or any part thereof) or use such communication (or any information therein contained) for his own benefit or for the benefit of another not entitled thereto.
This section shall not apply to the receiving, divulging, publishing, or utilizing the contents of any radio communication which is transmitted by any station for the use of the general public, which relates to ships, aircraft, vehicles, or persons in distress, or which is transmitted by an amateur radio station operator or by a citizens band radio operator.