Mississippi Code Title 19. Counties and County Officers § 19-3-19

(1) The board of supervisors may, at a regular meeting, by an order on its minutes, adjourn to meet at any time it may determine upon.

(2) The president, or the vice president in the absence or disability of the president, or any three (3) members of the board, may call special meetings when deemed necessary. Notice shall be given of all special meetings, for at least five (5) days, by advertisement posted at the courthouse door, or published in a newspaper of the county, and the notice thereof, whether posted or published in a newspaper, shall be entered in full on the minutes of said meeting. The notice of a special meeting, shall specify each matter of business to be transacted thereat, and at such special meetings business shall not be transacted which is not specified in the order or notice for such meeting.

(3) The president, or the vice president in the absence or disability of the president, or any two (2) members of the board, may by written notice, call an emergency meeting of the board of supervisors in cases of an emergency arising as a result of serious damage to county property, or to roads or bridges, or emergencies arising as a result of epidemic conditions or weather conditions. The notice shall state the time of the meeting and distinctly specify the subject matters of business to be acted upon and be signed before a notary by the officer or officers calling the meeting. At least three (3) hours before the time fixed for the meeting, notice shall be personally delivered to the members of the board who have not signed it and who can be found. The notice shall also be posted at the courthouse door at least three (3) hours before the time fixed for the meeting. If a member of the board cannot be found to complete the personal delivery of the notice, the president, vice president or any one of the two (2) members of the board calling an emergency meeting shall make every attempt, within the applicable notice period, to contact the board member that was not personally found by other available means, including, but not limited to, telephone or e-mail. The method of notice used to call the meeting shall be entered on the minutes of the emergency meeting, and business not specified in the notice shall not be transacted at the meeting.