In addition, it is believed that the temple became the certified temple by Imperial sanction by Emperor Saga in 810, granted the Jigo (the name of a Buddhist temple) 'Kita-Kannon-ji Temple' (literally, North-Kannon-ji Temple).
弘仁元年（810年）には嵯峨天皇の勅許を得て公認の寺院となり、「北観音寺」の寺号を賜ったとされる。