persona designata
/pəˌsəʊnə dɛzɪɡˈnɑːtə/Law
noun
A specified person; specifically a person individually specified in a legal document or action, as opposed to one included in a category or class consisting of several persons.
Origin
Mid 19th century; earliest use found in The Times. From post-classical Latin persona designata a specified person (3rd cent.) from classical Latin persōna juridical person + dēsignāta, feminine of dēsignātus.