In 1346 of the early Muromachi period, while the battle between the Southern and Northern Dynasties had been going on, the Muromachi bakufu contemplated securing public order by strengthening the Shugo's authorities and enacted laws which directly granted the Shugo the right to judge criminal cases for shisetsu jungyo and Karita-rozeki (to reap rice illegally).
室町時代初頭の貞和2年（1346年）、南北朝の争乱が続く中で、室町幕府は守護の権能を強化することで治安を確保することを企図し、守護に使節遵行権および刈田狼藉の検断権を直接付与する法令を発した。