(105 ILCS 5/17-5) (from Ch. 122, par. 17-5)
    Sec. 17-5. Increase tax rates for operations and maintenance purposes-Maximum.
    (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 the annual tax rate for operations and maintenance purposes to be submitted to the voters of the district at a regular scheduled election. The board shall certify the proposition to the proper election authority for submission to the elector in accordance with the general election law. In districts maintaining grades 1 through 8, or grades 9 through 12, the maximum rate for operations and maintenance purposes shall not exceed .55%; and in districts maintaining grades 1 through 12, the maximum rates for operations and maintenance purposes shall not exceed .75%, except that if a single elementary district and a secondary district having boundaries that are coterminous on the effective date of this amendatory Act form a community unit district as authorized under Section 11-6, the maximum rate for operation and maintenance purposes for such district shall not exceed 1.10% of the value as equalized or assessed by the Department of Revenue; and in such district maintaining grades 1 through 12, funds may, subject to the provisions of Section 17-5.1 accumulate to not more than 5% of the equalized assessed valuation of the district. No such accumulation shall ever be transferred or used for any other purpose. If a majority of the votes cast on the proposition is in favor thereof, the school board may thereafter, until such authority is revoked in like manner, levy annually a tax as authorized.
    (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 0.75% for operations and maintenance purposes, then the maximum rate for operations and maintenance purposes for the unit district shall be the following:
        (1) For the first year following 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 1.03%.
        (2) For the second year after 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 0.96%.
        (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 0.89%.
        (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 0.82%.
        (5) For the fifth year after the formation of the new unit district and thereafter, the
    
maximum rate shall be no greater than 0.75%.
(Source: P.A. 97-1022, eff. 1-1-13.)