(105 ILCS 5/17-3) (from Ch. 122, par. 17-3)
    Sec. 17-3. Additional levies-Submission to voters.
    (a) The school board in any district having a population of less than 500,000 inhabitants may, by proper resolution, cause a proposition to increase, for a limited period of not less than 3 nor more than 10 years or for an unlimited period, the annual tax rate for educational purposes to be submitted to the voters of such district at a regular scheduled election as follows:
        (1) in districts maintaining grades 1 through 8, or grades 9 through 12, the maximum
    
rate for educational purposes shall not exceed 3.5% of the value as equalized or assessed by the Department of Revenue;
        (2) in districts maintaining grades 1 through 12 the maximum rate for educational
    
purposes shall not exceed 4.00% of the value as equalized or assessed by the Department of Revenue except that if a single elementary district and a secondary district having boundaries that are coterminous form a community unit district on or after the effective date of this amendatory Act of the 94th General Assembly and the actual combined rate of the elementary district and secondary district prior to the formation of the community unit district is greater than 4.00%, then the maximum rate for educational purposes for such district shall be the following:
            (A) For 2 years following the formation of the community unit district, the maximum
        
rate shall equal the actual combined rate of the previous elementary district and secondary district.
            (B) In each subsequent year, the maximum rate shall be reduced by 0.10% or reduced
        
to 4.00%, whichever reduction is less. The school board may, by proper resolution, cause a proposition to increase the reduced rate, not to exceed the maximum rate in clause (A), to be submitted to the voters of the district at a regular scheduled election as provided under this Section. Nothing in this Section shall require that the maximum rate for educational purpose for a district maintaining grades one through 12 be reduced below 4.00%.
    If the resolution of the school board seeks to increase the annual tax rate for educational purposes for a limited period of not less than 3 nor more than 10 years, the proposition shall so state and shall identify the years for which the tax increase is sought.
    If a majority of the votes cast on the proposition is in favor thereof at an election for which the election authorities have given notice either (i) in accordance with Section 12-5 of the Election Code or (ii) by publication of a true and legible copy of the specimen ballot label containing the proposition in the form in which it appeared or will appear on the official ballot label on the day of the election at least 5 days before the day of the election in at least one newspaper published in and having a general circulation in the district, the school board may thereafter, until such authority is revoked in like manner, levy annually the tax so authorized; provided that if the proposition as approved limits the increase in the annual tax rate of the district for educational purposes to a period of not less than 3 nor more than 10 years, the district may, unless such authority is sooner revoked in like manner, levy annually the tax so authorized for the limited number of years approved by a majority of the votes cast on the proposition. Upon expiration of that limited period, the rate at which the district may annually levy its tax for educational purposes shall be the rate provided under Section 17-2, or the rate at which the district last levied its tax for educational purposes prior to approval of the proposition authorizing the levy of that tax at an increased rate, whichever is greater.
    The school board shall certify the proposition to the proper election authorities in accordance with the general election law.
    The provisions of this Section concerning notice of the tax rate increase referendum apply only to consolidated primary elections held prior to January 1, 2002 at which not less than 55% of the voters voting on the tax rate increase proposition voted in favor of the tax rate increase proposition.
    (b) Beginning on the effective date of this amendatory Act of the 97th General Assembly, if a unit district is being established from an elementary district or districts and a high school district, pursuant to Article 11E of this Code, and the combined rate of the elementary district or districts and the high school district prior to the formation of the unit district is greater than 4.00% for educational purposes, then the maximum rate for educational purposes for the unit district shall be the following:
        (1) For the first year following the formation of the new unit district, the maximum
    
rate shall equal the lesser of the actual combined rate of the previous highest elementary district rate and the high school district rate or 6.40%.
        (2) For the second year after the formation of the new unit district, the maximum rate
    
shall equal the lesser of the actual combined rate of the previous highest elementary district rate and the high school district rate or 5.80%.
        (3) For the third year after the formation of the new unit district, the maximum rate
    
shall equal the lesser of the actual combined rate of the previous highest elementary district rate and the high school district rate or 5.20%.
        (4) For the fourth year after the formation of the new unit district, the maximum rate
    
shall equal the lesser of the actual combined rate of the previous highest elementary district rate and the high school district rate or 4.60%.
        (5) For the fifth year after the formation of the new unit district and thereafter, the
    
maximum rate shall be no greater than 4.00%.
(Source: P.A. 97-1022, eff. 1-1-13.)