The Goseibai shikimoku (code of conduct for samurai) banned conventional osso in which nanushi (headmen of a village) or peasants ruled by a kokushi (provincial governor), a shoen honjo (lord of a manor), a jito (agent in charge of a lord's manor) and so on made a direct appeal to the Kamakura bakufu (Japanese feudal government headed by a shogun) without their master's permission, while an osso as a retrial regulation was introduced.
御成敗式目では国司や荘園本所、地頭などの支配下にある名主・百姓がその許可なくして鎌倉幕府に直接訴えを起こすことを禁じる従来通りの越訴の禁止を定める一方で、再審制度としての越訴が導入された。