Preventing Completed Assignments From Being Reassigned

Summary:

The customer assigns certain courses to be completed when someone is promoted for the first time. This is the only time the material needs to be completed. We are looking for a way to prevent the courses from being assigned again if they receive another promotion.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

24C

Code Snippet (add any code snippets that support your topic, if applicable):