Kan. Admin. Regs. § 112-9-35
A wagering interest may be any one entry in a race, or may be two or more entries coupled as a single wagering interest, including a field entry. A declaration or withdrawal of one entry from a wagering interest which consists of more than one entry shall have no effect on any wagers made on the wagering interest.
(Authorized by and implementing K.S.A. 1988 Supp. 74-8804 (p) and 74-8819 (b); effective, T-112-3-31-89, March 31, 1989; effective June 26, 1989.)