COLORADO SECRETARY OF STATE
[8 CCR 1505-1]
Election rules

Rules as Adopted - Clean

April 25, 2012

10.8	Use of unique numbers on ballots.
10.8.1	Except for ballots sent to military or overseas electors by electronic transmission under Rule 25.2.7, no county may print a ballot for use in a state or federal election that has a unique number, or a barcode containing a unique number, that is specific to a single ballot. 
(a)	A county that uses rotating numbers must print at least ten ballots of each ballot style for each number.
(b)	Nothing in this rule prohibits a county from printing a unique number or barcode on the removable stub.
10.8.2	After election judges have dissociated a voted ballot from its envelope and the stub is removed, the county may write or print unique numbers on the voted ballot for auditing and accounting purposes, including duplication of damaged ballots and risk limiting audits.
10.8.3	For ballots printed before the adoption of this rule that are in a county’s possession, the county must redact unique numbers, or barcodes containing unique numbers, before providing ballots in response to a request for inspection under the Colorado Open Records Act (Section 24-72-205.5(4)(b)(II), C.R.S.).
10.9	Tracking ballot batches. The county clerk must dissociate any batch number that could trace a ballot back to the specific voter who cast it from the counted ballots no later than the final certification of the abstract of votes cast.