Iowa Admin. Code r. 781-18.13
18.13(2) Contents. The agency rule-making record shall contain:
j.
*
A copy of any significant written criticism of the rule, including a summary of any petitions for waiver of the rule; and
18.13(4)
*
Maintenance of record. The agency shall maintain the rule-making record for a period of not less than five years from the later of the date the rule to which it pertains became effective, the date of the Notice of Intended Action, or the date of any written criticism as described in 18.13(2)“g,” “h,” “i,” or “j.”
(Alternatively, the agency can maintain the file indefinitely.)
(*NOTE: Alternatively to 18.13(2)“j” and the amendment to 18.13(4), an agency could keep a separate file of significant written criticisms to rules and maintain those for five years.)