In the same year, he established Koshu Hatto no Shidai (the Laws of the Province of Kai) (Shingen kaho (the law in Koshu which was enforced by Shingen)) as bunkokuho (the law individual sengoku-daimyo enforced in their own domain).
同年、分国法である甲州法度之次第（信玄家法）を定める。