Therefore in Japan and international contract should say which law you will stands law mainly stands for as like Oregon states law etc. have to show in contracts I can say in Japanese but this not totally unprotected other side humans right You have to make state more clearly other persons right if you want to make there sentence should be consider other humans right.

This is official waving of use name right International law stand in English world so should be make in English is better Japanese language not admit in under International law or this is translate sub documents or this contracts only covered in Japan problem is any legal (means International Law)