A Daoist repentance liturgy, the Jiuyou chan 九幽懺, refers to the Cibei daochang chanfa 慈悲道場懺法 T1909. This Daoist liturgical text existed at the end of the reign of Emperor Xuanzong of Tang 唐玄宗 (reigned from 712 to 756), and therefore, the Cibei daochang chanfa was created before 756 at the latest.
A Daoist repentance liturgy, the Jiuyou chan 九幽懺, refers to the Cibei daochang chanfa 慈悲道場懺法 T1909. This Daoist liturgical text existed at the end of the reign of Emperor Xuanzong of Tang 唐玄宗 (reigned from 712 to 756), and therefore, the Cibei daochang chanfa was created before 756 at the latest. T1909; 慈悲道場懺法