(705 ILCS 22/90)
    Sec. 90. Miscellaneous provisions.
    (a) All counties, townships, census tracts, voting tabulation districts, block groups, and blocks are those that appear on maps published by the United States Bureau of the Census for the 2000 census. The term "tract" means census tract. The term "BG" means block group. The term "VTD" means Voting Tabulation District. All judicial subcircuits created by this Act for the purpose of electing judges shall not be altered by operation of any other statute, ordinance, or resolution.
    (b)(1) Any part of a circuit that has not been described as included in one of the judicial subcircuits described in this Act is included within the judicial subcircuit of that circuit that:
        (i) is contiguous to the part; and
        (ii) contains the least population of all subcircuits
    
in that circuit contiguous to the part according to the 2000 decennial census.
    (2) If any part of a circuit is described in this Act as being in more than one judicial subcircuit, the part is included within the subcircuit in that circuit that:
        (i) is one of the subcircuits in which that part is
    
listed in this Act;
        (ii) is contiguous to that part; and
        (iii) contains the least population according to the
    
2000 decennial census.
    (3) If any part of a circuit:
        (i) is described in this Act as being in one judicial
    
subcircuit; and
        (ii) is entirely surrounded by another judicial
    
subcircuit;
    the part shall be incorporated into the subcircuit that surrounds the part.
    (4) If any part of a circuit:
        (i) is described in this Act as being in one judicial
    
subcircuit; and
        (ii) is not contiguous to another part of the
    
subcircuit;
    the part is included with the contiguous subcircuit in that circuit that contains the least population according to the 2000 decennial census of that county.
    (c) The Speaker of the House, the Minority Leader of the House, the President of the Senate, and the Minority Leader of the Senate shall by joint letter of transmittal present to the Secretary of State for deposit in the State Archives an official set of United States Bureau of the Census maps and descriptions used for conducting the 2000 census, and those maps shall serve as the official record of all counties, townships, census tracts, block groups, and blocks referred to in this Act.
    (d) The State Board of Elections shall prepare and make available to the public a metes and bounds description of the subcircuits created under this Act.
(Source: P.A. 93-1102, eff. 4-7-05.)