Except for rules implementing rate increases or implementing federal law or regulation, the notice of a proposed rule concerning the delivery of medicaid services by the department must include, in addition to the other requirements under this chapter:
(a) a determination of whether the principal reasons and rationale for the rule can be assessed by performance-based measures and, if such an assessment can be made, the method the department will use to measure whether or not the principal reasons and the rationale for the intended action of the rule, as provided by 2-4-305(6)(b), are successfully achieved, including any data collection methods or metrics if applicable; and
(b) the period over which the intended outcomes will be measured, including any measurement intervals, if applicable.