Although Ganjin transmitted 'Shibun-ritsu' (Four-Part Vinayapitaka, which explains about regulations and prohibited matters of the priests), Saicho and Kukai in the Heian period did not support it and Kukai put high value on 'Juju-ritsu' (Ten-Reciting Vinayapitaka).
鑑真が伝えたのは「四分律」によるものであったが、平安時代の最澄や空海はこれを支持せず、空海は「十誦律」を重んじた。