The division of purchase and supply.
Section 30
SEC. 30. The division of purchase and supply. - The Purchasing Agent shall purchase and supply, in accordance with law, all supplies, equipment, material, and property of every kind, except real estate for the use of each special municipality or of any of its departments and offices. But contracts for completed work of any kind for the use of the municipality or of any of its departments and offices, involving both labor aid materials where materials are furnished by the contractors, shall not be deemed to be within the provisions of this section.