661—81.4 (692) Review of criminal intelligence files—purging.
	 81.4(1) The intelligence bureau of the department of public safety shall regularly review the information in criminal intelligence files for reclassification or purging. Decisions to retain, reclassify, or purge criminal intelligence files shall:
	  a.   	 Ensure that the information is current, accurate and relevant to the needs of the agency.
	  b.   	 Safeguard individual privacy interests protected by federal and state laws.
	  c.   	 Ensure that security classifications remain appropriate.
	 81.4(2) Information that is misleading, unreliable, or no longer useful shall be purged or reclassified when necessary, without delay and, in any event, within one business day of the discovery that the information is misleading, unreliable, or no longer useful. Any person or agency to which the criminal intelligence file was disseminated shall be notified of the reclassification or purge.
	 81.4(3) All information shall be reviewed within a five-year period of its submission to ensure compliance with subrule 81.4(1).
	 81.4(4) All information retained as a result of a review shall reflect the name of the reviewer, date of review, and an explanation of the decision to retain.
	 81.4(5) Information that is not retained in a criminal intelligence file after a review shall be deleted from the LEIN information system.