Iowa Admin. Code r. 681-17.13
17.13(2) Confidential records. The following records shall be kept confidential. Records are listed by category, according to the legal basis for withholding them from public inspection.
f. Work product of an attorney (Iowa Code section 602.10112). Records which constitute attorney work product, attorney-client communications, or which are otherwise privileged. Attorney work product is confidential under Iowa Code sections 22.7(4), 622.10 and 622.11, Iowa R. Civ.
P. 122(c), Fed.
R. Civ.
P. 26(b)(3), and case law. Attorney-client communications are confidential under Iowa Code sections 622.10 and 622.11, the rules of evidence, the Code of Professional Responsibility, and case law.
o. Those portions of agency staff manuals, instructions, or other statements issued which set forth criteria or guidelines to be used by agency staff in auditing, in making inspections, in settling commercial disputes or negotiating commercial arrangements, or in the selection or handling of cases, such as operational tactics or allowable tolerances or criteria for the defense, prosecution, or settlement of cases, when disclosure of these statements would: