Koshu Hatto no Shidai (the Laws of the Province of Kai) of the Takeda clan laid down that 'both parties to a quarrel leading to violence were to be executed regardless of their reasons; however, those who were involved in quarrels, but who kept their patience were not to be punished.'
武田氏の甲州法度之次第には、「喧嘩はどの様な理由があろうと処罰するが、喧嘩を仕掛けられても、我慢した者は処罰しない」とある。