The messages were sent by central organizations and affiliates of Chongryon, including the Standing Council of the Korean Federation of Workers in Commerce in Japan, the Central Standing Committee of the Korean Youth League in Japan, the Central Standing Committee of the Union of Democratic Korean Women in Japan, the Central Standing Management Board of the Korean Youth Commercial Association in Japan, the Central Standing Committee of the Union of Korean Teachers in Japan, the Central Standing Council of the Union of Korean Educational Association in Japan, the Central Standing Council of the Korean Scientists and Technologists Association in Japan, the Central Standing Council of the Korean Social Scientists Association in Japan, the Standing Council of the Korean Sportsmen's Federation in Japan, the Central Standing Committee of the Union of Korean Writers and Artists in Japan, the Central Standing Council of the Korean Health Workers Association in Japan, the Central Standing Committee of the Union of Korean Students in Japan, the Association of Koreans in Japan for Peaceful Reunification, the Central Standing Council of the Korean Human Rights Association in Japan, the Choson Sinbo Company, the Korean News Service, the Hagu Bookshop, the Kumgang-san Opera Troupe, the Tonghae Co. Ltd., the Kumgang Insurance Company and the Committee for Promoting Korea-Japan Economic Exchange and other businesses, regional headquarters of Chongryon, Korean University and Korean schools at all levels in Japan.