The value of this property is the identifier originally created by theauthority for this feature, or that is used as the identifier in the authority'sinternal data management system - commonly this might be a borehole number or id,job number, or contract number. There is no assumption as to the unique scope orpersistence of this identifier. In cases where the original or internal identifierdoes not meet the semantic requirements for gml:id, the internal identifier may beused in order for the originating authority to "map back" the identifier to aninternal data management system. The codeSpace attribute must be populated toidentify the authority that uses the internalIdentifier value.
<element name="internalIdentifier" type="gml:CodeWithAuthorityType"><annotation><documentation>The value of this property is the identifier originally created by the authority for this feature, or that is used as the identifier in the authority's internal data management system - commonly this might be a borehole number or id, job number, or contract number. There is no assumption as to the unique scope or persistence of this identifier. In cases where the original or internal identifier does not meet the semantic requirements for gml:id, the internal identifier may be used in order for the originating authority to "map back" the identifier to an internal data management system. The codeSpace attribute must be populated to identify the authority that uses the internalIdentifier value.</documentation><documentation>The internal identifier for this feature.</documentation></annotation></element>
