This isn't really true. You may be thinking about the CA required disengagement report rules. From a recent waymo safety report: "In this paper, “disengagement

This isn't really true. You may be thinking about the CA required disengagement report rules. From a recent waymo safety report: "In this paper, “disengagement” refers to any event in which the AV’s automated driving mode is disengaged. This is broader than the definition used in certain California state regulations, where the term more narrowly refers to certain safety-relevant disengagements."