佛祖統紀 51.76

51.76

唐太宗。詔僧道致敬父母。逾年停致敬○高宗。勅僧道無得受父母尊長拜○玄宗。勅僧道致敬父母。逾月罷致敬。

Tang Dynasty. Emperor Taizong decreed that monks and Daoists render reverence to their parents; after a year, rendering reverence was suspended. / Emperor Gaozong decreed that monks and Daoists may not receive the prostrations of parents and elders. / Emperor Xuanzong decreed that monks and Daoists render reverence to their parents; after a month, rendering reverence was abolished.