Email address pre-registration for the new log-in system has started

The log-in system for NK services and systems will be changed on September 28, 2025.
We have opened a pre-registration site for email addresses related to this change, so please refer the instructions on the special website and pre-register your email address.

[Special website]
https://www.classnk.or.jp/hp/en/activities/portal/nkauth.html

NIPPON KAIJI KYOKAI（ClassNK）CCH Portal Account Helpdesk
Contact form: https://forms.office.com/r/1cPRhM26MH
E-Mail: cch-portal@classnk.or.jp