釋氏稽古略 3.175

3.175

The yi-chou year was the first year of Zhenyuan. In the bing-yin year, the second year, in the fifth month, an imperial edict summoned Vinaya Master Daocheng into the palace to confer the refuges and precepts upon the imperial consorts and palace attendants, bestowing on him the title Vinaya Master Dayuan. An imperial decree ordered various monasteries to deliver public lectures and resumed the Ullambana assembly in accordance with the time of Daizong.