Eirin was established on the model of the American Motion Picture Producers and Distributors of America's Production Code Administration in June 1949, on the instructions of the US occupation force.
Eirin didirikan pada model dari Administrasi Kode Produksi Amerika Serikat Motion Picture Producers and Distributors of America (sekarang Motion Picture Association of America) pada bulan Juni 1949, atas instruksi dari pasukan kependudukan Amerika Serikat.