To legally carry a scanner on your person or in your car in the state of Indiana,
the following applies.
IC 35-44-3-12 Sec. 12.
(a) A person who knowingly or intentionally:
(1) possesses a police radio;
(2) transmits over a frequency assigned for police emergency purposes; or
(3) possesses or uses a police radio:
(A) while committing a crime;
(B) to further the commission of a crime; or
(C) to avoid detection by a law enforcement agency; commits unlawful use of a police radio,
a Class B misdemeanor.
(b) Subsection (a)(1) and (a)(2) do not apply to:
(1) a governmental entity;
(2) a regularly employed law enforcement officer;
(3) a common carrier of persons for hire whose vehicles are used in emergency service;
(4) a public service or utility company whose vehicles are used in emergency service;
(5) a person who has written permission from the chief executive officer of a law enforcement
agency to possess a police radio;
(6) a person who holds an amateur radio license issued by the
Federal Communications Commission if the person is not
transmitting over a frequency assigned for police emergency purposes;
(7) a person who uses a police radio only in the person's dwelling or place of business;
(8) a person:
(A) who is regularly engaged in newsgathering activities;
(B) who is employed by a newspaper qualified to receive legal advertisements under IC 5-3-1, a        wire service, or a licensed commercial or public radio or television station; and
(C) whose name is furnished by his employer to the chief executive officer of a law enforcement       agency in the county in which the employer's principal office is located;
(9) a person engaged in the business of manufacturing or selling police radios; or
(10) a person who possesses or uses a police radio during the normal course of the person's lawful          business.
(c) As used in this section, "police radio" means a radio that is capable of sending or receiving  
signals transmitted on frequencies assigned by the Federal Communications Commission for police 
emergency purposes and that:
(1) can be installed, maintained, or operated in a vehicle; or
(2) can be  operated while it is being carried by an individual. The term does not include
a radio designed  for use only in a dwelling.
As added by Acts 1977, P.L.342, SEC.1. Amended byP.L.162-1994