The state commissioner of elections shall, not less than sixty-three days preceding any election at which a constitutional amendment or public measure is to be submitted to a vote of the entire people of the state, transmit to the county commissioner of elections of each county a certified copy of the amendment or measure and a sample of the ballot to be used in such cases, prepared in accordance with law.
Iowa Code § 49A.6
89 Acts, ch 136, §1 2021 Acts, ch 147, §34, 54
Iowa Constitution, Art. VII, §5 and Art. X