The original text of the 'Jogan-kyaku Code' was lost, however, many phrases are quoted in the "Ruiju sandai kaku" (Assorted regulations from Three Reigns) and "Seiji Yoryaku" (Brief Outline of Government) by KOREMUNE no Masasuke.
「貞観格」の原文は残されていないが、『類聚三代格』や惟宗允亮の『政事要略』にその多くが引用されており、