(Refer to 'Article 20 of the Constitution of Japan,' 'freedom of religion,' 'the principle of separation of government and religion,' and 'the Tsu "Jichinsai" lawsuit' (where Tsu Municipal Authority was sued for using public funds to hold a purification ceremony at a building site))
（日本国憲法第20条、信教の自由、政教分離原則、津地鎮祭訴訟参照）