(a) Cause all the registration records of electors living in the new county or in the territory that has been added to an existing county to be segregated from the registration records on file in the counties from which the new county is created or the county from which the territory has been removed;
(b) Cause the registration records to be delivered to the county clerk of the new county or the county to which the territory has been added; and
(c) Provide for the transfer to the county clerk of the new county or the county to which the territory has been added a list of electors and other election records, relating only to precincts and electors within the new county or the territory that has been added to an existing county.
(2) The county clerk of the new county or the county to which the territory has been added shall arrange and install the registration records received under subsection (1) of this section in the manner provided by law. The registration records constitute registration of the electors whose names appear on the records in the new county or the county to which the territory has been added, respectively.
(3) The list of electors and other registration and election records are records of the new county or the county to which the territory has been added, respectively.
(4)(a) If a county boundary change occurs on a date within a period described in paragraph (b) of this subsection, the change is not effective for purposes of eligibility for elections within the territory that is removed from one county and added to another county until the day after the respective ending date described in paragraph (b) of this subsection.
(b) The periods referred to in paragraph (a) of this subsection are the periods:
(A) Beginning on the day after the 90th day before a primary election or a general election and ending on the day of the election; or
(B) Beginning on the day after the deadline for filing the notice of election before any election, other than a primary election or a general election, that is held by a county, district or other municipal corporation affected by the boundary change and ending on the day of the election. [Amended by 2007 c.154 §59; 2013 c.326 §6]