The commission shall hold an annual meeting during the month of September of each year and at such meeting shall elect its own chairperson who shall hold office until the next annual meeting. Meetings of the commission shall be held bimonthly. A quorum shall consist of three members of the commission present at the meeting. Special meetings may be called by the mayor, the chairperson or by any three members of the commission or by the animal control manager requesting such meeting in writing to the chairperson. Upon receipt of such a request, the chairperson shall call such a special meeting to be held within ten days. (Prior code § 4-5)