The UK CWC National Authority, part of the Department for Energy Security and Net Zero (DESNZ), is responsible for implementing the Chemical Weapons Convention (CWC) in the UK. It collects information required under the CWC for onward transmission to the Organisation for the Prohibition of Chemical Weapons (OPCW).
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Help and Guidance

The CWC pages on the DESNZ website provide the necessary guidance for using the CWC Declarations Database and completing declarations.

For enquiries about the content of your declaration, contact cwcna@energysecurity.gov.uk.

For technical support and enquiries about using the CWC Declarations Database, contact the Support Line via cwcna@energysecurity.gov.uk.