It was also called Oan no taiho (an important legislation in the Oan era) and Oan no hanzeirei (an Oan era hanzeirei (law allowing military governors to collect half of the taxes from manors and domains as military funds to protect them)).
応安大法（おうあんのたいほう）・応安の半済令（おうあんのはんぜいれい）とも。