Originally Posted by ErikaLynn
You cannot use a standing martingale in the jumper ring if the division offers $5000 or more. So it's not really restricted to height, but divisions offering that much are usually higher jumps.
Also with higher jumps a standing martingale becomes dangerous
Thank you for the rule clarification, I never paid much attention to the martingale rules in jumpers because my horse is ridden in a figure 8 noseband.