He shouldn’t do walking meditation on a higher walking path than a monk deserving rehabilitation. He shouldn’t do walking meditation on a walking path when a monk deserving rehabilitation is walking on the ground. If, as the fourth member of a group, he gives probation, sends back to the beginning, or gives the trial period, or as the twentieth member of a group, he rehabilitates, it’s invalid and not to be done.” Further regulations for the trial period Soon afterwards Venerable Upāli went to the Buddha, bowed, sat down, “How many things are there, sir, that stop a monk undertaking the trial period from counting a particular day toward his trial period?” “There are four such things, Upāli: