Restricted chemical exports require authorisation, treaty-based destination controls, and specified documentation for designated products and waste-derived fuels.

Ozone-depleting substance controls restrict exports of chemicals covered by the Montreal Protocol and designated halogenated chemical mixtures. Exports to non-party countries are prohibited, while exports to party countries require Restricted Export Authorisation. Hydrofluorocarbon exports require Export Authorisation and a no-objection certificate from the Ozone Cell. Biodiesel exports require Restricted Export Authorisation for non-fuel purposes, subject to an exception for Special Economic Zones and Export Oriented Units using only imported feedstock.

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