When the Council receives an authorized initiative petition, certified by the City Secretary to be sufficient, the Council shall either (a) pass the initiated ordinance without amendment within twenty (20) days after the date of the certification to the Council; or (b) submit the initiated ordinance without amendment to a vote of the qualified voters of the City at a regular or special election to be held on a uniform election date of the state of Texas, but not less than ninety (90) days from the date that the City Secretary certifies the submission to the Council.
When the Council receives an authorized referendum petition, certified by the City Secretary to be sufficient, the Council shall reconsider the referred ordinance. If, upon such reconsideration, such ordinance is not repealed, it shall be submitted to the voters of the City at a regular or special election to be held on a uniform election date of the state of Texas, but not less than ninety (90) days from the date that the City Secretary certifies the submission to the Council.
Special elections on initiated or referred ordinances shall not be held more frequently than once each six (6) months, and no ordinance on the same subject as an initiated ordinance which has been defeated at any election may be initiated by the voters within two (2) years from the date of such election.