(2) The investigative subpoena requires the person, under oath or otherwise, to appear and testify, to answer written interrogatories or to produce documents or physical evidence for examination, at a reasonable time and place as may be stated in the subpoena, to further the investigation into the whereabouts of the missing individual.
(3) Information, documents or physical evidence obtained pursuant to this section may not be used for criminal investigation or prosecution.
(4) This section does not alter the status of information, documents or physical evidence disclosed. Notwithstanding disclosure for the purpose of locating a missing individual, confidential information, documents or physical evidence retain their confidential status. [Formerly 401.582]