PJB - Change billing event Organization

Summary:

Content (please ensure you mask any confidential information):

Revenue events were created with Organization X, some of the Events are processed, revenue recognized and accounted. some of them are yet to be processed.

For all these revenue events, the correct Organization was Y.

What is the best way to change these revenue events to reflect a different organization?  

Is there a way to automate this change of organization for these events?

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

23D

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