653—2.12 (17A,22) Release to subject. The subject of a confidential record may file a written request to review confidential records about that person as provided in rule 653—2.6(17A,22). However, the agency need not release the following records to the subject:
	  1. 	 The identity of a person providing information to the agency need not be disclosed directly or indirectly to the subject of the information when the information is authorized to be held confidential pursuant to Iowa Code sections 22.7(18) and 272C.6(4) or other provision of law.
	  2. 	 All information in licensee complaint and investigation files maintained by the agency for purposes of licensee discipline are required to be withheld from the subject prior to the filing of formal charges and the notice of hearing in a licensee disciplinary proceeding.
	  3. 	 Records need not be disclosed to the subject when they are the work product of an attorney or are otherwise privileged.
	  4. 	 Peace officers’ investigative reports may be withheld from the subject, except as required by the Iowa Code.
	  5. 	 As otherwise authorized by law.