The UBL structure used for item labeling requires this elements, use the value NA if not other applicable package label code.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Code
udt:CodeType
Example value
NA
Code lists
NA codes, PackagingMarkedLabelAccreditationCode
Rules
Identifier/Error message Flag
PEPPOL-T19-B24201
Value MUST be part of code list 'NA codes' or 'PackagingMarkedLabelAccreditationCode'.
fatal