=== modified file 'dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityInstanceService.java'
--- dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityInstanceService.java	2014-06-30 18:07:45 +0000
+++ dhis-2/dhis-services/dhis-service-tracker/src/main/java/org/hisp/dhis/trackedentity/DefaultTrackedEntityInstanceService.java	2014-06-30 18:29:16 +0000
@@ -35,6 +35,7 @@
 import static org.hisp.dhis.trackedentity.TrackedEntityInstanceQueryParams.PAGER_META_KEY;
 import static org.hisp.dhis.trackedentity.TrackedEntityInstanceQueryParams.TRACKED_ENTITY_ID;
 import static org.hisp.dhis.trackedentity.TrackedEntityInstanceQueryParams.TRACKED_ENTITY_INSTANCE_ID;
+import static org.hisp.dhis.common.OrganisationUnitSelectionMode.*;
 
 import java.util.Collection;
 import java.util.Date;
@@ -70,6 +71,7 @@
 import org.hisp.dhis.trackedentityattributevalue.TrackedEntityAttributeValue;
 import org.hisp.dhis.trackedentityattributevalue.TrackedEntityAttributeValueService;
 import org.hisp.dhis.user.CurrentUserService;
+import org.hisp.dhis.user.User;
 import org.hisp.dhis.validation.ValidationCriteria;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -166,6 +168,14 @@
         // Verify params
         // ---------------------------------------------------------------------
 
+        User user = currentUserService.getCurrentUser();
+        
+        if ( user != null && params.isOrganisationUnitMode( OrganisationUnitSelectionMode.ACCESSIBLE ) )
+        {            
+            params.setOrganisationUnits( user.getDataViewOrganisationUnitsWithFallback() );
+            params.setOrganisationUnitMode( OrganisationUnitSelectionMode.DESCENDANTS );
+        }
+
         for ( OrganisationUnit organisationUnit : params.getOrganisationUnits() )
         {
             if ( !organisationUnit.hasLevel() )
@@ -283,7 +293,7 @@
 
     public void decideAccess( TrackedEntityInstanceQueryParams params )
     {
-        if ( params.isOrganisationUnitMode( OrganisationUnitSelectionMode.ALL ) &&
+        if ( params.isOrganisationUnitMode( ALL ) &&
             !currentUserService.currenUserIsAuthorized( F_TRACKED_ENTITY_INSTANCE_SEARCH_IN_ALL_ORGUNITS ) )
         {
             throw new IllegalQueryException( "Current user is not authorized to query across all organisation units" );
@@ -301,10 +311,17 @@
             throw new IllegalQueryException( "Params cannot be null" );
         }
 
-        if ( !params.hasOrganisationUnits() && !params.isOrganisationUnitMode( OrganisationUnitSelectionMode.ALL ) )
+        User user = currentUserService.getCurrentUser();
+        
+        if ( !params.hasOrganisationUnits() && !( params.isOrganisationUnitMode( ALL ) || params.isOrganisationUnitMode( ACCESSIBLE ) ) )
         {
             violation = "At least one organisation unit must be specified";
         }
+        
+        if ( params.isOrganisationUnitMode( ACCESSIBLE ) && ( user == null || !user.hasDataViewOrganisationUnitWithFallback() ) )
+        {
+            violation = "Current user must be associated with at least one organisation unit when selection mode is ACCESSIBLE";
+        }
 
         if ( params.hasProgram() && params.hasTrackedEntity() )
         {