Iowa Code § 476A.13: Staff assistance — federal preemption.

1. The commission may request staff assistance from other federal, state and local agencies, pursuant to chapter 28D, to assist in discharging the responsibilities assigned to the commission pursuant to this subchapter. The commission may exercise the powers and responsibilities assigned to the commission under this subchapter jointly with other governmental agencies pursuant to chapter 28E.

2. This subchapter shall not apply to any facility over which an agency of the federal government has exclusive jurisdiction. When concurrent jurisdiction exists with certain powers reserved to the state, the state shall exercise those powers with respect to facilities operating within this state to the full extent permitted by the Constitution and the laws of the United States.