="target:'gmi:plan',minOccurs:0,
            label:'${i18nISO19115.MI_Operation.planReference}'">
          <div data-dojo-type="esri/dijit/metadata/form/Attribute" data-dojo-props="target:'xlink:href',showHeader:false"></div>
        </div>
        
        <!-- childOperation (not implemented) -->
        
        <!-- significantEvent (allow MI_Event references) -->
        <div data-dojo-type="esri/dijit/metadata/form/iso/ObjectReference"
          data-dojo-props="target:'gmi:significantEvent',minOccur