@unitCode
The unit of measure that applies to altitude.
- Example value
MTR- Code lists
- Recommendation 20, including Recommendation 21 codes - prefixed with X (UN/ECE)
- Rules
-
Identifier/Error message Flag PEPPOL-T120-B33002
Value MUST be part of code list 'Recommendation 20, including Recommendation 21 codes - prefixed with X (UN/ECE)'.fatal