A changes saved 1. A man has been rushed to the emergency room because he is suffering

A changes saved 1. A man has been rushed to the emergency room because he is suffering extreme chest pain. The doctors begin working on him
immediately. A co-worker of the patient inquires at the waiting room desk, asking the nurse, Oliver, for an update on his friend.
Oliver understands that the co-worker is only concerned but informs him that he cannot divulge information to anyone unless the
patient has given permission. Oliver explains that he could lose his job and be charged with a crime if he did so. What is Oliver's
situation an example of?
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law