Concretely, in the Taisho period, Hiroyuki MIURA presented his theory in "Zoku Hoseishi no Kenkyu" (A Study of the History of Law: Part II), and argued that the law described in the various imperial edicts upon enthronement, was Omi-Ryo code.
具体的には、大正時代に三浦周行が『続法制史の研究』で、即位の宣命に現れるのは近江令のことであるとした。