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What is DECS?

HOCS (Home Office Correspondence System), known in business contexts as DECS, is a tracking and routing tool that “allows Home Office teams to control and audit the flow of all correspondence through its life-cycle from receipt to final response”.

DECS is mostly written in Java, using the Spring Boot library. Frontend components are written using JavaScript, with a React client-side application and a NodeJS Express server.

Almost all DECS code is open-source and publicly available on GitHub.