Iowa Code Title XV. Judicial Branch and Judicial Procedures [Chs. 595-686] § 625A.7. Challenges to constitutionality of statutes--notice to general assembly

a. File a notice of constitutional question stating the question and identifying the pleading, motion, or petition that raises the challenge to the constitutionality of the statute.

b. Serve notice and a copy of the pleading, motion, or petition that raises the challenge to the constitutionality of the statute upon the general assembly by the chief clerk of the house and the secretary of the senate by personal service or by restricted certified mail at the time the pleading, motion, or petition that raises the challenge to the constitutionality of the statute is filed.