The general assembly may provide for the submission of a constitutional amendment to the people at a special election for that purpose, at such time as it may prescribe, and the same shall in all respects be governed and conducted as prescribed by law for the submission of a constitutional amendment at a general election.
Iowa Code § 49A.5
2019 Acts, ch 129, §3, 7
Iowa Constitution, Art. X Submission, §49.43 - 49.50, 49A.1, 49A.2, 49A.4