For the believers, Omi-Ryo was a pioneering and important legal code toward the introduction of the Ritsuryo system, which had a great impact on Asukakiyomihararyo (the legal code of the Japanese ancient state of Asuka) and Taiho Ritsuryo (Taiho Code) later on.
存在説の立場では、近江令は律令制導入へ至る先駆的かつ重要な法令であり、後の飛鳥浄御原令や大宝律令へ影響を与えたとしている。