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Creation of Change Documents in Industrial
Hygiene and Safety 
Industrial Hygiene and Safety is linked to change document creation and changes are logged in the form of documents. In the standard system, change document creation is activated for all objects in Industrial Hygiene and Safety.
You can use the environment parameter CD_CHANGE_DOCS_WRITE_AT_IHS to control which objects in Industrial Hygiene and Safety change document creation is activated for.
Prerequisites
You have activated change document creation for EH&S using the environment parameter CD_NO_CHANGE_DOCS.

For more information, see the documentation for the environment parameter CD_CHANGE_DOCS_WRITE_AT_IHS in the Implementation Guide (IMG) for Basic Data and Tools.
