(a) On the basis of each county's certificates of valuation as to all classes of property as determined and published by the assessors pursuant to section six, article three, chapter eleven of this code for the next ensuing fiscal year in reliance upon the assessed values annually developed by each county assessor pursuant to articles one-c and three of that chapter, the state board shall for each county compute by application of the levies for general current expense purposes, as defined in section two of this article, the amount of revenue which the levies would produce if levied upon one hundred percent of the assessed value of each of the several classes of property contained in the report or revised report of the value made to it by the Tax Commissioner as follows:

(1) For each fiscal year beginning before July 1, 2014, the state board shall first take ninety-five percent of the amount ascertained by applying these rates to the total assessed public utility valuation in each classification of property in the county. For each fiscal year beginning after June 30, 2014, the state board shall first take ninety-six percent of the amount ascertained by applying these rates to the total assessed public utility valuation in each classification of property in the county; and

(2) For each fiscal year beginning before July 1, 2014, the state board shall then apply these rates to the assessed taxable value of other property in each classification in the county as determined by the Tax Commissioner and shall deduct therefrom five percent as an allowance for the usual losses in collections due to discounts, exonerations, delinquencies and the like. For each fiscal year beginning after June 30, 2014, the state board shall then apply these rates to the assessed taxable value of other property in each classification in the county as determined by the Tax Commissioner and shall deduct therefrom four percent as an allowance for the usual losses in collections due to discounts, exonerations, delinquencies and the like. All of the amount so determined shall be added to the ninety-five or ninety-six percent, as applicable, of public utility taxes computed as provided in subdivision (1) of this subsection and this total shall be further reduced by the amount due each county assessor's office pursuant to section eight, article one-c, chapter eleven of this code and this amount shall be the local share of the particular county.

As to any estimations or preliminary computations of local share required prior to the report to the Legislature by the Tax Commissioner, the state shall use the most recent projections or estimations that may be available from the Tax Department for that purpose.

(b) It is the intent of the Legislature that the computation of local share for public school support continue to be based upon actual real property values rather than assumed assessed real property values that are based upon an assessment ratio study, and that the annual amount of local share for which a county board of education is responsible continue to be computed without reference to whether the real property assessments in that county were at least fifty-four percent of market value in the prior year as indicated by the assessment ratio study. Accordingly, the effective date of the operation of this section as amended and reenacted during 2014, and the effective date of the operation of the repeal of section two-a of this article and the operation of the repeal of section five-b, article one-c, chapter eleven of this code, all as provided under this enactment, are expressly made retrospective to June 30, 2013.

(c) Whenever in any year a county assessor or a county commission fails or refuses to comply with this section in setting the valuations of property for assessment purposes in any class or classes of property in the county, the State Tax Commissioner shall review the valuations for assessment purposes made by the county assessor and the county commission and shall direct the county assessor and the county commission to make corrections in the valuations as necessary so that they comply with the requirements of chapter eleven of this code and this section and the Tax Commissioner may enter the county and fix the assessments at the required ratios. Refusal of the assessor or the county commission to make the corrections constitutes grounds for removal from office.

(d) For the purposes of any computation made in accordance with this section, in any taxing unit in which tax increment financing is in effect pursuant to article eleven-b, chapter seven of this code, the assessed value of a related private project shall be the base-assessed value as defined in section two of said article.

(e) For purposes of any computation made in accordance with this section, in any county where the county board of education has adopted a resolution choosing to use the Growth County School Facilities Act set forth in section six-f, article eight, chapter eleven of this code, estimated school board revenues generated from application of the regular school board levy rate to new property values, as that term is designated in said section, may not be considered local share funds and shall be subtracted before the computations in subdivisions (1) and (2), subsection (a) of this section are made.

(f) The Legislature finds that public school systems throughout the state provide support in varying degrees to public libraries through a variety of means including budgeted allocations, excess levy funds and portions of their regular school board levies. A number of public libraries are situated on the campuses of public schools and several are within public school buildings serving both the students and public patrons. To the extent that public schools recognize and choose to avail the resources of public libraries toward developing within their students such legally recognized elements of a thorough and efficient education as literacy, interests in literature, knowledge of government and the world around them and preparation for advanced academic training, work and citizenship, public libraries serve a legitimate school purpose and may do so economically. Therefore, county boards are encouraged to support public libraries within their counties.