Washington Revised Code Title 9. Crimes and Punishments § 9.73.130. Recording private communications--Authorization--Application for, contents

(a) The identity of the particular person, if known, committing the offense and whose communications or conversations are to be recorded;

(b) The details as to the particular offense that has been, is being, or is about to be committed;

(c) The particular type of communication or conversation to be recorded and a showing that there is probable cause to believe such communication will be communicated on the wire communication facility involved or at the particular place where the oral communication is to be recorded;

(d) The character and location of the particular wire communication facilities involved or the particular place where the oral communication is to be recorded;

(e) A statement of the period of time for which the recording is required to be maintained, if the character of the investigation is such that the authorization for recording should not automatically terminate when the described type of communication or conversation has been first obtained, a particular statement of facts establishing probable cause to believe that additional communications of the same type will occur thereafter;

(f) A particular statement of facts showing that other normal investigative procedures with respect to the offense have been tried and have failed or reasonably appear to be unlikely to succeed if tried or to be too dangerous to employ;