10 ILCS 5/7-11.1

(10 ILCS 5/7-11.1) (from Ch. 46, par. 7-11.1)

Sec. 7-11.1.

Whenever a vacancy in any elective county office is to be
filled by election pursuant to Section 25-11 of this Code or Section 2-6003 of the Counties Code, nominations shall be
made and any vacancy in nomination for a county office shall be filled pursuant
to this Section:

(1) If the vacancy in office occurs before the first date provided in
Section 7-12 for filing nomination papers for the primary in the next even
numbered year following the commencement of the term, nominations for the
election for filling such vacancy shall be made pursuant to this Article 7
as provided for other county offices.

(2) Except as otherwise provided in paragraph (3.5), if the vacancy in office occurs during the time provided in Section
7-12 for filing nomination papers for county offices for the primary in the
next even-numbered year following commencement of the term of office in
which such vacancy occurs, the time for filing nomination papers for such
office for the primary shall not be more than 91 days and not less than 85
days prior to the date of the primary election.

(3) Except as otherwise provided in paragraph (3.5), if the vacancy in office occurs after the last day provided in
Section 7-12 for filing nomination papers for any elective county office a
vacancy in nomination shall be deemed to have occurred and the county
central committee or the appropriate county board district committee of
each established political party shall nominate, by resolution, a candidate
to fill such vacancy in nomination for election to such office at such
general election.  In the nomination proceedings to fill such vacancy in
nomination, each member of the county central committee, or the county
board district committee, as the case may be, shall have the voting
strength as set forth in Sections 7-8 and 7-8.01, respectively.  The name
of the candidate so nominated shall not appear on the ballot at the general
primary election.  Such vacancy in nomination shall be filled prior to the
date of certification of candidates for the general election.

(3.5) If the vacancy in the Office of President of the Cook County Board occurs on or after the first day provided in Section 7-12 for filing nomination papers for the primary in the next even-numbered year following the commencement of the term, a vacancy in nomination shall be deemed to have occurred and the county central committee of each established political party shall nominate, by resolution, a candidate to fill such vacancy in nomination for the election to such office at such general election. In the nomination proceedings to fill such vacancy in nomination, each member of the county central committee shall have the voting strength as set forth in Section 7-8. The office shall not appear on the ballot at the general primary election. Any vacancy in nomination occurring on or after the primary and prior to certification must be filled prior to the date of certification. Any vacancy in nomination occurring after certification but prior to 15 days before the general election shall be filled within 8 days after the event creating the vacancy in nomination.

(4) The resolution to fill the vacancy shall be duly acknowledged before
an officer qualified to take acknowledgments of deeds and shall include,
upon its face, the following information:

(a) the name of the original nominee and the office