75 ILCS 16/1-40: Ordinances.

(a) The contents, date of enactment, date of publication or posting, and effective date of every district ordinance shall be determined from the records of the district secretary and may be proved by the secretary's certificate under the district seal. The secretary's certification shall be as provided in Section 1-109 of the Code of Civil Procedure.

(b) Every ordinance shall contain an effective date, which shall be no later than 60 days after the date of enactment.

(c) Every ordinance shall be numbered serially and shall be identified by that number and the date of enactment.

(d) Every ordinance shall be posted in a public area of the district library building within 3 days after the date of enactment and shall remain posted for 14 days.

(e) The district secretary shall maintain a certified copy of every district ordinance at the library operated by the district and shall make those copies available for public inspection.