If the Government of Japan (Ministry of Justice, Ministry of Foreign Affairs, etc) published important information, the university will notify you via this FAQ site, manaba + R, e-mail, etc.
It is also important to check with the nearest Immigration services Agency (Ministry of Justice) in Japan or the nearest Japanese embassy / consulate at your home country.
The Immigration Services Agency provides an e-mail delivery service that informs foreigners living in Japan of Japan's immigration procedures and living support information.
If you register for the e-mail delivery service, you will receive important notifications from the Immigration Services Agency on your mobile phone or computer. Registration is free.
Please check the details from the following website and use it.