Japan's MHLW, METI, and MOE set a 2027 CSCL notification schedule: 10 rounds, first deadline Oct 6, 2026, via the NITE system.

On June 22, 2026, MHLW, METI and MOE jointly promulgated an amendment to the Ordinance on Public Notice of Names of New Chemical Substances.

Japan’s METI updated FY2026 guidelines for CSCL Small Amount and Low Tonnage confirmation routes. Starting with the fourth FY2026 application batch, electronic submissions must use G Biz ID (Prime or Member accounts) as legacy applicant codes are discontinued. Manufacturers and importers should immediately obtain accounts, check filing windows, and upgrade submission systems.

Recently, Japan's Fire and Disaster Management Agency (FDMA) issued a notification: as PFHxS (perfluorohexane sulfonic acid)-related substances have been designated as Class I Specified Chemical Substances under the Chemical Substances Control Law (CSCL), concerned parties should check whether the fire extinguishers and extinguishing agents they hold contain such substances, and handle them properly in accordance with the newly revised technical standards.

Japan included perfluorohexanesulfonic acid (PFHxS) and its related substances under strict regulatory control.

Japan announced that a cabinet order to partially amend the Enforcement Order of the CSCL has been approved.

Japan issued the schedule for submitting manufacturing and import notifications for low-volume new chemical substances for fiscal year 2026.

This revision adjusts the handling regulations for Class I Specified Chemical Substances present as impurities, based on evaluations under the Chemical Substances Control Law (CSCL) and discussions from councils concerning the future direction of chemical substance measures, including considerations for a Circular Economy response considering the entire lifecycle.

October 3, 2025, Japan's Ministry of Health, Labour and Welfare, Ministry of Economy, Trade and Industry, and Ministry of the Environment jointly announced a public consultation on draft control measures under the Chemical Substances Control Law (CSCL) for chlorpyrifos, medium-chain chlorinated paraffins (MCCPs), long-chain perfluorocarboxylic acids (PFCAs) and their salts, and long-chain PFCA-related substances. The public can submit feedback via the e-Gov portal by November 2, 2025, using the official form.

On August 20, 2025, Japan's Ministry of Health, Labour and Welfare (MHLW), Ministry of Economy, Trade and Industry (METI), and Ministry of the Environment (MOE) jointly released a draft amendment to the Enforcement Regulations of the Chemical Substances Control Law (CSCL) based on the CSCL.