Miss. Const. art. 4, § 40

Members of the legislature, before entering upon the discharge of their duties, shall take the following oath: "I, ----, do solemnly swear (or affirm) that I will faithfully support the Constitution of the United States and of the state of Mississippi; that I am not disqualified from holding office by the Constitution of this state; that I will faithfully discharge my duties as a legislator; that I will, as soon as practicable hereafter, carefully read (or have read to me) the Constitution of this state, and will endeavor to note, and as a legislator to execute, all the requirements thereof imposed on the legislature; and I will not vote for any measure or person because of a promise of any other member of this legislature to vote for any measure or person, or as a means of influencing him or them so to do. So help me God."