, use "is" if the individual remains to be during the role/relationship you're referring to, and "was" if they are not in that position/connection any longer. How should I model the external entity and actor in my DFDs and UC Diagram for an application utilized by the QA officer (and https://andrehigfd.blogginaway.com/38564506/little-known-facts-about-buy-verified-cashapp-accounts