When editing an individual rule that has posted calculation results, a message displays in the header of the setup screen, telling you that you cannot edit the rule. In this case, you can only take the following actions:
Name and Scope:
Results: Delete posted results.
Categorization: Change the Payment Details settings.
Attachments: Add or delete attachments.
Comments: Post new comments.
When editing multiple rules that have posted calculation results, a message displays under the Valid From setting, telling you that you cannot edit the Valid From and Groups settings. In this case you can only: