My audit committee would probably not approve the response and have me relay to management what they would like to see changed. Then I would report back to the committee at the next meeting whether management made the appropriate changes. If management did not respond properly, I would either have another audit committee meeting, or have the uncooperative officer meet with the higher-ups to hash it out, then I would report the outcome to the committee.
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"Everything that irritates us about others can lead us to an understanding of ourselves." Carl Jung