What is under which situation would it be appropriate to handle?

It's appropriate to "handle" a situation when you have the authority, responsibility, and/or ability to influence or control its outcome. This often involves:

Whether you should handle a situation also depends on your skills and resources. It may be more appropriate to delegate or escalate if you lack the necessary expertise or authority. Additionally, ethical considerations and potential consequences should always be factored into your decision. If a situation falls outside your ethical boundaries, you should always seek guidance from a supervisor or relevant authority.