808B.4  Permissible disclosure and use.
  1.  A special state agent who, by any means authorized by this chapter, has obtained knowledge of the contents of a wire, oral, or electronic communication, or has obtained evidence derived from a wire, oral, or electronic communication, may disclose the contents to another investigative or law enforcement officer to the extent that the disclosure is appropriate to the proper performance of the official duties of the officer making or receiving the disclosure.
  2.  An investigative or law enforcement officer who, by any means authorized by this chapter, has obtained knowledge of the contents of a wire, oral, or electronic communication or has obtained evidence derived from a wire, oral, or electronic communication may use the contents to the extent the use is appropriate to the proper performance of the officer’s official duties.
  3.  A person who has received, by any means authorized by this chapter, any information concerning a wire, oral, or electronic communication, or evidence derived from a wire, oral, or electronic communication intercepted in accordance with this chapter may disclose the contents of that communication or derivative evidence while giving testimony under oath or affirmation in a criminal proceeding in any court of the United States or of this state or in any federal or state grand jury proceeding.
  4.  An otherwise privileged wire, oral, or electronic communication intercepted in accordance with, or in violation of, the provisions of this chapter does not lose its privileged character.
  5.  If a special state agent, while engaged in intercepting a wire, oral, or electronic communication in the manner authorized, intercepts a communication relating to an offense other than those specified in the order of authorization, the contents of the communication, and the evidence derived from the communication, may be disclosed or used as provided in subsections 1 and 2. The contents of and the evidence derived from the communication may be used under subsection 3 when authorized by a court if the court finds on subsequent petition that the contents were otherwise intercepted in accordance with this chapter. The petition shall be made as soon as practicable.
89 Acts, ch 225, §25
; 
99 Acts, ch 78, §11