Ritsuryo

Ritsuryo was the Rokugani system of law.

Creation
Inspired by the Scorpion magistrate Soshi Saibankan the Otomo Daimyo Otomo Kuchiru wrote a system of penal and administrative law which advocated testimony and honor over physical evidence. It was backed by the Emperor and established as the Empire's fundamental legal code.

Based
Any testimony could be always confronted to the ancestors of the samurai, using the Kitsu Sodan Senzo, so no one could be expected to lie with such a jury.