Is there a single word which means "reverse delegation" or "upwards delegation", which is a person passing work upwards to the highest level that will accept it?
This question has also been raised here, but no acceptable answer was given.
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In IT and customer services, when a level one/lower level support technician cannot help with a query, they escalate it to a level 2 or even higher level support technician.
This is not a widely used term, and I could not find a definition related to this; but it could work depending on your context.