Since then, the sole inheritor of Kechimyaku Sojo has asserted the legitimacy of Nichiren Shoshu sect, and this position has been passed from the incumbent Hossu (chief priest) to his successor; the position itself guarantees absolute authority in controlling propagation activities, as well as the exclusive power to adjudicate on disputes concerning doctrine, to give permission for depicting the principal icon of a temple, and to bestow various titles.
以来、唯授一人の血脈相承（ゆいじゅいちにんのけちみゃくそうじょう）が、日蓮正宗の正統性を主張し、また、時の法主による広宣流布指揮の絶対性、教義論争裁定・本尊書写・各種称号授与の専有性を保障するものとして、法主から次期法主へと伝えられている。