Iowa Admin. Code r. 751-12.6
12.6(2) Factors in rate dispute. In the event of a rate dispute, the executive director, or the commission’s designee (decision maker) shall decide which rate is applicable for the network service used. In making such a decision, the executive director or the commission’s designee shall consider all relevant factors known to the decision maker supplied by the commission staff or the user including, but not limited to, the following: