All supplies or materials for the city shall, where practicable, be purchased on contracts covering a special period of time, and shall be let upon advertisement to the lowest and best bidder, as the City Council may determine. The committee in charge of each department shall, so far as possible, prepare estimates and specifications for supplies. No time contracts to furnish supplies or materials shall cover a longer period than the municipal year.
(‘69 Code, § 2-166)
Statutory reference:
Municipal supplies contract, see ILCS Ch. 65, Act 5 § 8-9-2