By Japan Times 12/06/2015
\”…This inquiry begs two questions. The first is: Is a DNA test mandatory in order to prove the biological parent-child relationship in paternity cases in Japan? The other question is: Is it mandatory for a parent or child to have a DNA test, even against their will, in such cases? …\”
Read the entire article:http://www.japantimes.co.jp/community/2015/12/06/how-tos/japanese-law-theres-paternity-dna/#.VmdCQ4TFui5