Although there is no description about it in Rikkokushi, the facility was recorded in a law code during the Heian period called "Ruiju sandai kaku" (Assorted regulations from Three Reigns), in which it is mentioned that it aided 1,158 people for four years after being established.
六国史に記録はないが平安時代の法令集『類聚三代格』に記録が残り、開設から4年間で1158人を救護したと伝えられている。