Section 75 ILCS 16/1-30 - Notice(a) Notice of elections and referenda shall be given in the manner provided by the Election Code.(b) Whenever notice must be given by any other provision in this Act, the notice shall be given by publication once in one or more daily or weekly newspapers published or circulated in the district or, where no such newspaper is published or circulated in the district, by posting 10 copies of the notice in conspicuous places within the district as far separated from the others as is conveniently possible. All notices shall be given at least 30 days before the hearing or other matter being publicized by the notice unless otherwise provided in this Act. A copy of the notice shall in each case be posted at the library operated by the district. When the district does not operate a library, a copy of the notice shall be posted at another public place specified by ordinance.(c) The notice of a referendum for establishment of, annexation to, or inclusion within a district, transfer of territory to or from a district, or merger of districts must include a map of the district and a legal description of the district and must indicate the territory sought to be annexed, included, transferred, or merged. If the territory sought to be annexed, included, transferred, or merged encompasses the same territory as an existing incorporated town, township, or county, the description of the proposed district shall be by reference to that entity.(d) Copies of all notices must be filed with the secretary of the district. When an election to establish a district is sought by the petitioners, copies of all notices must be filed with the petitions for the proposed district to be formed under Sections 5-10 through 5-30. When a municipal or township library is affected, copies of all notices must be filed with the mayor or president of each municipality, or with the supervisor of each township, that lies entirely or partially within the district or proposed district.(e) Copies of a notice of a petition filed with a circuit court for conversion of a public library to a library district shall be filed by the petitioners as follows: when a municipal library is affected, with the mayor or president of any municipality affected; when a township library is affected, with the supervisor of the township affected; or when a county library is affected, with the county board of the county affected.(f) For the purpose of sending notice and for other purposes as required by this Act, the official mailing address for a library that contracts with another library for certain services is the official mailing address established by the library facility where the services are provided.(g) Notices mailed to owners of real estate within a district or proposed district or to voters shall be effective upon deposit in a United States Post Office mailing facility, postage prepaid, correctly addressed to the proper person.P.A. 89-188, eff. 7/19/1995.