Scheme id mandatory use "ZZZ" for unidentified scheme. The identification of the identification scheme.

Example value
ZZZ
Code lists
ISO 6523 International Code Designator (ICD), ISO 6523 International Code Designator (ICD) Unknown
Rules
Identifier/Error message Flag
EUGEN-T68-B07902
Value MUST be part of code list 'ISO 6523 International Code Designator (ICD)' or 'ISO 6523 International Code Designator (ICD) Unknown'.
fatal