The supply of offerings appeared as historical materials in section 4 of mikotonori (an Imperial edict) in the Taika Reform in Nihonshoki (Chronicles of Japan), and it said 'Usually, by-products of the cho (tributes) such as salt and offerings, need to be followed according to local capacity.'
贄の貢ぎが史料として現れるのは、日本書紀の大化の改新の詔の其の四のところで、「凡その調の副物の塩と贄（にえ）とは、亦（また）郷土（くに）の出せるに随へ」とある。