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Japan publishes 2026 notification schedule for New Chemical Substances

2025-09-22 Reference source : Ministry of Economy, Trade and Industry (METI) Portal - Japan

Chemical notification/ registration METI MHLW Ministry of Environment MOE Japan Annual Revision


On 19 September 2025, Japan’s Ministry of Economy, Trade and Industry (METI), Ministry of Health, Labour and Welfare (MHLW), and Ministry of Environment (MOE) jointly released the 2026 notification schedule for new chemical substances (including low production volume new chemicals). The full schedule, comprehensive details, and guidance documents are available on the METI portal.

Notifications are required for  new chemicals that are manufactured or imported into Japan under the Chemical Substances Control Law (CSCL).

 

Annual Update of Notification Timetable

Japan revises its new chemical notification schedule each year in September. The 2025 schedule was announced on 19 September 2024 (more details can be found here), and the newly published timetable covers October 2025 through December 2026.

 

Notification Schedule (2026)

Submissions will be accepted in 10 rounds during the period October 2025-December 2026). The detailed schedule is given in the table below:



Round

Deadline for preliminary screening* 

Deadline for submitting  notification documents 

1

6 October 2025 

19 December 2025 

2

18 December 2025

5 March 2026 

3

8 January 2026

3 April 2026 

4

10 February 2026 

11 May 2026 

5

16 March 2026 

16 June 2026 

6

15 April 2026

9 July 2026 

7

9 June 2026

31 August 2026 

8

8 July 2026

2 October 2026 

9

30 July 2026 

26 October 2026 

10

9 September 2026 

1 December 2026 

*Submissions  are accepted only until 3 p.m. on the designated date. Missed deadlines automatically roll over to the next round.


Documentation Required                 

Applicants must prepare the following documentation in line with CSCL requirements and the official manual:

  • Preliminary review materials (detailed data on substance properties, toxicity, environmental behaviour)
  • Notification form (official format under CSCL)
  • Supporting data: test reports, safety evaluations, or judgment notification copy if applicable.

For substances already reviewed and notified, applicants may resubmit using a copy of the previous notification result. In such cases, no new review is required, provided the notification is submitted by any of the scheduled deadlines.


Future Outlook

Although METI has not yet disclosed the 2027 notification schedule, it is anticipated to be made public in September 2026.



We acknowledge that the above information has been compiled from Ministry of Economy, Trade and Industry (METI) Portal - Japan.

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