In a dead heat for first place, the jockeys involved shall each receive 10 percent of the purse money awarded to the owner by whom he is engaged. In all other dead heats, the jockeys involved shall divide equally the sum total of the fees they would have received individually had one beaten the other.
N.J. Admin. Code § 13:70-9.19
See: 9 New Jersey Register 540(a), 10 New Jersey Register 295(b).