65 ILCS 5/11-65-8
The corporate authorities from time to time may establish by ordinance all needful rules and regulations for the management and control of such a municipal convention hall. All these ordinances, for the violation of which fines are imposed shall be published in the same manner and form as is required for other ordinances of the municipality, and these ordinances may be printed in book or pamphlet form in such manner as the corporate authorities shall direct. Rules established by these ordinances shall be brought to the notice of the public by being posted in conspicuous places in the municipal convention hall. When these ordinances are printed in book or pamphlet form, and purport to be published by authority of the corporate authorities, the book or pamphlet shall be received in all courts as evidence of the contents of these ordinances, and of the passage and publication thereof as of the dates therein mentioned, without further proof.
65 ILCS 5/11-65-8