After setting up an update server, users and admins get a warning message when the Knowledge Base version is not up to date:
Admins can update the Knowledge Base from the Administration page by clicking on the Update the regulations button.
Actual regulations are covered by a rule set and an exclusion set which are sets of special chemical query structures confirming the actually valid and relevant legal regulations.
The scope of the legal relevancy depends on the scope of the Compliance Checker license you have.
Two ways are provided for the update: