delegatus (noun, del-e-gat-us) non potest (verb, po-test) delegare (verb, del-e-ga-re)
Definition: is a legal regulation stating that an individual whose possessed power or decision-making capability was designated to him or her by a higher authority isn’t permitted to delegate it to a different individual, except for situations when the original delegator authorizes such a move. This rule is adhered to in numerous countries, including the US, and is a core principle in administrative law. The phrase can be translated from Latin as “a delegate doesn’t possess the capability to delegate”.
In a Sentence:
You can’t delegate this case to Wilson because of the delegatus non potest delegare rule. You first have to gain permission from a higher authority.
As Clyde was delegated to conduct negotiations with FinInvest, the delegatus non potest delegare principle forbids him to transfer that responsibility to someone else.
Synonyms and related words: noscitur a sociis, de son tort trustee, homo economicus, caveat venditor, pari passu