Japanese National Centre for ISSN

Important notice:
Due to performing a renewal of our system, there will be a delay in the following services of the Japanese National Centre for ISSN from December 23, 2024.

• - Sending Advance Notices to inform of an assigned ISSN
  * Please submit your application by December 16, 2024 if you need to receive an ISSN in 2024.

  * Though we will continue to accept applications from December 17, 2024, Advance Notices to notify of assigned ISSNs may be sent in January 2025 or later.
• - Sending Formal Notices of ISSNs
• - Answers to inquiries by e-mail (issnjpn) and by telephone

Thank you for your understanding.