Mississippi Constitution Art. 4, § 107

All stationery, printing, paper, and fuel, used by the Legislature, and other departments of the government, shall be furnished, and the printing and binding of the laws, journals, department reports, and other printing and binding, and the repairing and furnishing the halls and rooms used for the meeting of the Legislature and its committees, shall be performed under contract, to be given to the lowest responsible bidder, below such maximum and under such regulations as may be prescribed by law. No member of the legislature or officer of any department shall be in any way interested in such contract, and all such contracts shall be subject to the approval of the Governor and State Treasurer.