瑜伽論記 14.81

14.81

下明闕能授，備云：阿遮利耶，猶是阿闍梨，鄔波拕耶住清淨戒圓滿僧，舊名和上，和上要須清淨。

Below clarifies deficiencies in the conferrer: Bei says: Ācārya is still ācārya; upādhyāya is a monk who abides in pure precepts and is complete, formerly called upādhyāya (heshang); the upādhyāya must necessarily be pure.