anchor: The supplementary information published with the Final Rule clearly states the preemptive effect to be given to the rule; what, if any, retroactive effect its provisions may have; and the administrative procedures to be followed prior to any judicial challenge to provisions of the rule.
positive: Before any judicial challenge to provisions of the rule can be made, there are administrative procedures to be followed.
negative: There are no procedures to follow, we can challenge a rule whenever and however we want.