All regular and special meetings shall be open to the public. Four commissioners shall constitute a quorum for the transaction of business. (Ord. G-1025 § 1, 2007: Ord. G-993 § 1, 2007: Ord. G-981 § 1, 2006: Ord. G-969 § 1, 2005: Ord. G-949 § 1, 2003)