SVP Latest info Japan - Schedule of Small Volume Permit for 2021 is available now! Japan - Schedule of Small Volume Permit for 2021 is available now! More information on Chemicals Japan - the 2020 schedule of Small Volume Permit is available now! According to the Japanese Chemical Substances Control Law, all new chemical substances must be notified by manufacturers/importers and evaluated... Japan - the 2020 schedule of Small Volume Permit is available now! More information on Chemicals