Taking this occasion, Ieyasu TOKUGAWA was ordered to write and submit a letter of awareness stating that the sansho (three norms to be used for discrimination between right and wrong in religion) in the Four Dictums (of Nichiren Buddhism) did not exist.
徳川家康はこれを機に、四箇格言の「四箇格言念仏無間」の三証はないという念書を書かされ提出を求められた。