Currently, as the basis of scriptures, Hokke Sanbu-kyo Sutra (The Threefold Lotus Sutra), literary remains of the founder ("Nichiren Daishonin Gosho" (Letters of Nichiren)), those of Nikko the second, Nichiu the ninth and Nichikan the twenty sixth are legitimate scriptures, however, 10 volumes of Makashikan (Mahayana Practice of Cessation and Contemplation) and Guketsu (Commentary on Makashikan) of the Tendai Sect, 10 volumes of Hokke Gengi (Essentials of the Lotus Sutra) and Shakusen (Commentary on Hokke Gengi), and 10 volumes of Hokke mongu (Words and Phrases of the Lotus Sutra) and Shoki (Commentary on Hoke-kyo Sutra), are also accepted as minor scriptures.
現在、所依の経典としては、法華三部経・宗祖遺文（『日蓮大聖人御書』）・第2祖日興遺文・第9世日有遺文・第26世日寛遺文を正依としているが、天台宗系統の摩詞止観10巻および弘決・法華玄義10巻および釈籤・法華文句10巻および疏記をも傍依としては認めている。