Alabama State Law

lawAll contracts of whatever nature for labor, services, work, or for the purchase or lease of materials,equipment, supplies, or other personal property, involving fifteen thousand  dollars ($15,000) or more, made by or on behalf of any statedepartment, board, bureau, commission, committee, institution, corporation, authority, or office shall, except as otherwise provided in this article, be let by free and opencompetitive bidding, on sealed bids, to the lowest responsible bidder.