Concept: If quantification is either "unpopulated" or "unknown" or "withheld" the element should be empty. in the cdrqaqc vocabulary

Concept URI	http://dd.eionet.europa.eu/vocabulary/aq/cdrqaqc/I16
Preferred label	If quantification is either "unpopulated" or "unknown" or "withheld" the element should be empty.
Definition	Across all the delivery: check that the element aqd:QuantityCommented/aqd:quantity is empty if attribute xsi:nil="unpopulated" or "unknown" or "withheld" (example: <aqd:quantity uom="Unknown" nilReason="Unpopulated" xsi:nil="true"/>)
Notation	I16
Status	Valid
Status Modified	2023-05-04
Accepted Date	2023-05-04
Not Accepted Date
Hidden label	If quantification is either "unpopulated" or "unknown" or "withheld" the element should be empty. [en]
Error type	BLOCKER