# CoST IDS to OC4IDS mapping

This section contains mappings from the CoST IDS to OC4IDS:

* The [core standard mapping](core) describes a mapping of the proactive and reactive disclosure elements of the "core" CoST IDS.
* The [sustainability modules mapping](sustainability) describes a mapping of the optional CoST IDS sustainability modules.

```{toctree}
:maxdepth: 1
:hidden:

core
sustainability

```