Miss. Code § 37-45-13
The commission shall meet on the third Monday of each month, and shall meet at such other times as may be designated by law or upon call by the chairman or a majority of the members of the commission. At its first meeting, the commission shall organize and elect a chairman and a vice-chairman. As soon as practicable thereafter, the commission shall adopt such rules and regulations not contrary to the provisions of this chapter and the other laws of the State of Mississippi as shall be necessary and proper to govern its proceedings. Four members of said commission shall constitute a quorum for the purpose of doing business. The commission may either elect a secretary from among its membership or designate the executive secretary as its secretary.
Miss. Code § 37-45-13