The driving, working, keeping, racing or using of any unregistered docked horse, or horses, after 60 days after the passage of this act, shall be deemed prima facie evidence of the fact that the party driving, working, keeping, racing or using such unregistered docked horse, or horses, docked the tail of such horse or horses.
(Added by renumbering Section 597c (as added by Stats. 1907, Ch. 220) by Stats. 1963, Ch. 372.)