§ 31.037  EXERCISE OF POWER.
   (A)   The Council shall exercise a power only by the passage of a motion, a resolution, an amendment or an ordinance in the following manner:
(Iowa Code § 364.3(1))
      (1)   Action by Council.  Passage of an ordinance, amendment or resolution requires a majority vote of all of the members of the Council. Passage of a motion requires a majority vote of a quorum of the Council. A resolution must be passed to spend public funds in excess of an amount set by the state on any capital improvement, or to accept public improvements and facilities upon their completion. Each Council member’s vote on a measure must be recorded. A measure which fails to receive sufficient votes for passage shall be considered defeated;
      (2)   Overriding Mayor’s veto.  Within 30 days after the Mayor’s veto, the Council may pass the measure again by a vote of not less than two-thirds of all of the members of the Council; and
(Iowa Code § 380.6(2))
      (3)   Measures become effective.  Measures passed by the Council become effective in one of the following ways:
         (a)   An ordinance or amendment signed by the Mayor becomes effective when the ordinance or a summary of the ordinance is published, unless a subsequent effective date is provided within the ordinance or amendment;
(Iowa Code § 380.6(1a))
         (b)   A resolution signed by the Mayor becomes effective immediately upon signing;
(Iowa Code § 380.6(1b))
         (c)   A motion becomes effective immediately upon passage of the motion by the Council;
(Iowa Code § 380.6(1c))
         (d)   If the Mayor vetoes an ordinance, amendment or resolution and the Council repasses the measure after the Mayor’s veto, a resolution becomes effective immediately upon repassage, and an ordinance or amendment becomes a law when the ordinance or a summary of the ordinance is published, unless a subsequent effective date is provided within the ordinance or amendment; or
(Iowa Code § 380.6(2))
         (e)   If the Mayor takes no action on an ordinance, amendment or resolution, a resolution becomes effective 14 days after the date of passage, and an ordinance or amendment becomes law when the ordinance or a summary of the ordinance is published, but not sooner than 14 days after the date of passage, unless a subsequent effective date is provided within the ordinance or amendment.
(Iowa Code § 380.6(3))
   (B)   ALL OF THE MEMBERS OF THE COUNCIL refers to all of the seats of the Council including a vacant seat and a seat where the member is absent, but does not include a seat where the Council member declines to vote by reason of a conflict of interest.
(Iowa Code § 380.4)
(1999 Code, § 17.03)