Extensible with values at any level
ID: http://inspire.ec.europa.eu/registry/extensibility/open
Label: Extensible with values at any level
Definition:
The code list can be extended with additional values at any level, i.e. its allowed values comprise the values specified in
this register and additional values at any level defined by data providers.
Code list:http://inspire.ec.europa.eu/registry/extensibility