The Japanese Confederation of National Tax Unions (JCNTU; ja|国税労働組合総連合, Kokuzei Roso) is a trade union representing workers in the National Tax Agency in Japan.
The union was founded in 1958, as a split from the National Tax Collectors' Union.[1] It affiliated to the Japanese Confederation of Labour, and by 1967 it had 10,275 members.[2] At the end of the 1980s, it transferred to the Japanese Trade Union Confederation, and by 1996 its membership had risen to 40,128.[3] In February 2001, it became part of the Japan Public Sector Union, but retains its identity as an affiliate.[4]