Columbia Rules of Order ordinance (Charter § 8)

The council shall determine by ordinance its own rules and order of business. It shall keep a journal of its proceedings, which shall be open to public inspection at all reasonable hours. It shall be the judge of qualifications of its members, and may punish its members for disorderly behavior. A majority thereof shall constitute a quorum to do business, but a smaller number may adjourn from time to time and may compel the attendance of absent members in such manner and under such penalties as the council may provide. The affirmative vote of a majority of

the entire council shall be necessary to adopt any ordinance, resolution or motion. The "ayes" and "nays" on any question shall, at the request of any member, be entered in the journal and the "ayes" and "nays" shall be recorded on the final passage of every ordinance or resolution.