A covered entity must treat a personal representative as the individual for Privacy Rule purposes (authority to exercise rights, receive notices, authorize disclosures), with exceptions for unemancipated minors, situations involving suspected abuse, neglect or endangerment by the personal representative, and where state or other applicable law restricts or limits such treatment, per 164.502(g).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.