West virginia constitution
Article VI: the legislature
Section 34

The Legislature shall provide by law that the fuel, stationery and printing paper, furnished for the use of the state; the copying, printing, binding and distributing the laws and journals; and all other printing ordered by the Legislature, shall be let by contract to the lowest responsible bidder, bidding under a maximum price to be fixed by the Legislature; and no member or officer thereof, or officer of the state, shall be interested, directly or indirectly, in such contract, but all such contracts shall be subject to the approval of the governor, and in case of his disapproval of any such contract, there shall be a reletting of the same in such manner as may be prescribed by law.