Ill. Admin. Code tit. 11, § 308.70
b) Should the Pick (n) carryover be designated for distribution on a specified date and performance in which there are no wagers selecting the first-place finisher in each of the Pick (n) contests, the entire pool shall be distributed as a single price pool to those whose selection finished first in the greatest number of Pick (n) contests. The Pick (n) carryover shall be designated for distribution on a specified date and performance only under the following circumstances: