Judging from these contexts, it is believed that the establishment of Yoro Ritsuryo Code was produced by the political intentions of Empress Koken and Nakamaro to utilize the code which was the achievement of their common grandfather, FUJIWARA no Fuhito, aiming not only to announce their succession of the policy of Fuhito but also to seek for the stabilization of their political power.
これらの状況から、養老律令施行の背景には、両者共通の祖父である不比等の成果を活用することで、不比等の政治を継承することを宣言するとともに、孝謙・仲麻呂政権の安定を図ろうとする政治的意図があったと考えられている。