Modify involved party details

Trigger: A request or automated notification is received indicating a change in an involved party's information, such as contact details, legal status, or payment routing.

1. Receive modification request or automated update feed
2. Verify the identity and authorization of the requester
3. Validate the accuracy and format of the new details
4. Update the involved party record in the core database
5. Synchronize changes with connected downstream applications
6. Notify the involved party and internal stakeholders of the update

Outcome: The involved party's record is accurately updated in the master database and synchronized across all dependent systems.