(1) Any proposed ordinance, except an ordinance making an appropriation, may be submitted to the commission by petition signed by 10% of the qualified electors of the municipality whose names appear on the register of voters on the date when the proposed ordinance is submitted to the commission.
(2) All petition papers circulated with respect to any proposed ordinance must be uniform in character and must contain the proposed ordinance in full.
(3) Proposed ordinances for repealing any existing ordinance or ordinances, in whole or in part, may be submitted to the commission as provided in 7-3-1227 through 7-3-1229 for initiating ordinances.