diff --git a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/VTI12RawDataSystems/VP1RawDataFlags.h b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/VTI12RawDataSystems/VP1RawDataFlags.h
index aa7026978b014395013a09d5b68d125bd32de4a1..60d55271527287983fd2aafaa20e979cd3253440 100644
--- a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/VTI12RawDataSystems/VP1RawDataFlags.h
+++ b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/VTI12RawDataSystems/VP1RawDataFlags.h
@@ -25,7 +25,8 @@ public:
     Upstream       = 0x000001,
     Central        = 0x000002,
     Downstream     = 0x000004,
-    All            = 0x000007
+    Interface      = 0x000008,
+    All            = 0x00000F
   };
   Q_DECLARE_FLAGS(TrackerPartsFlags, TrackerPartsFlag)
 
diff --git a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataHandle_SCT_RDO.cxx b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataHandle_SCT_RDO.cxx
index 9cbf757eafb8edfa8dea6a8cea19f31553126201..8f7669a4cfaccefb921a06926020cf7400a6abb9 100644
--- a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataHandle_SCT_RDO.cxx
+++ b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataHandle_SCT_RDO.cxx
@@ -53,9 +53,10 @@ QStringList VP1RawDataHandle_SCT_RDO::clicked(bool verbose) const
   if (verbose) {
     if (idhelper) {
       Identifier id(m_data->identify());
-      if (idhelper->station(id) == -1 ) l << "   Part: Upstream Station";
-      else if (idhelper->station(id) == 0) l << "   Part: Central Station";
-      else l << "   Part: Downstream Station";
+      if (idhelper->station(id) == 0 )      l << "   Part: Interface Station";
+      else if (idhelper->station(id) == 1 ) l << "   Part: Upstream Station";
+      else if (idhelper->station(id) == 2 ) l << "   Part: Central Station";
+      else                                  l << "   Part: Downstream Station";
     //   bool barrel(false);
     //   if (idhelper->barrel_ec(id)==-2) l << "   Part: End Cap C";
     //   else if (idhelper->barrel_ec(id)==2) l << "   Part: End Cap A";
@@ -140,9 +141,10 @@ VP1RawDataFlags::TrackerPartsFlags VP1RawDataHandle_SCT_RDO::inTrackerParts() co
 
   static const FaserSCT_ID * idhelper = VP1DetInfo::sctIDHelper();
   Identifier id(m_data->identify());
-  if (idhelper->station(id) == -1 ) return VP1RawDataFlags::Upstream;
-  if (idhelper->station(id) ==  0 ) return VP1RawDataFlags::Central;
-  if (idhelper->station(id) == 1  ) return VP1RawDataFlags::Downstream;
+  if (idhelper->station(id) == 0 ) return VP1RawDataFlags::Interface;
+  if (idhelper->station(id) == 1 ) return VP1RawDataFlags::Upstream;
+  if (idhelper->station(id) == 2 ) return VP1RawDataFlags::Central;
+  if (idhelper->station(id) == 3 ) return VP1RawDataFlags::Downstream;
   return VP1RawDataFlags::All;
 
 }
diff --git a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataSysController.cxx b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataSysController.cxx
index 341035c6c30240673536b05a75b3603c3ef943f3..d2f1ab3b8b809c75e80f179a62676bc4cb71dfb8 100644
--- a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataSysController.cxx
+++ b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/VP1RawDataSysController.cxx
@@ -97,6 +97,7 @@ VP1RawDataSysController::VP1RawDataSysController(IVP1System * sys)
 
   // -> enabledTrackerParts
   addUpdateSlot(SLOT(possibleChange_enabledTrackerParts()));
+  connectToLastUpdateSlot(m_d->ui_cuts.checkBox_cut_tracker_interface);
   connectToLastUpdateSlot(m_d->ui_cuts.checkBox_cut_tracker_upstream);
   connectToLastUpdateSlot(m_d->ui_cuts.checkBox_cut_tracker_central);
   connectToLastUpdateSlot(m_d->ui_cuts.checkBox_cut_tracker_downstream);
@@ -137,6 +138,7 @@ int VP1RawDataSysController::currentSettingsVersion() const
 void VP1RawDataSysController::actualSaveSettings(VP1Serialise&s) const
 {
   s.save(m_d->ui_cuts.etaPhiCutWidget);
+  s.save(m_d->ui_cuts.checkBox_cut_tracker_interface);
   s.save(m_d->ui_cuts.checkBox_cut_tracker_upstream);
   s.save(m_d->ui_cuts.checkBox_cut_tracker_central);
   s.save(m_d->ui_cuts.checkBox_cut_tracker_downstream);
@@ -166,6 +168,7 @@ void VP1RawDataSysController::actualRestoreSettings(VP1Deserialise& s)
     return;
   }
   s.restore(m_d->ui_cuts.etaPhiCutWidget);
+  s.restore(m_d->ui_cuts.checkBox_cut_tracker_interface);
   s.restore(m_d->ui_cuts.checkBox_cut_tracker_upstream);
   s.restore(m_d->ui_cuts.checkBox_cut_tracker_central);
   s.restore(m_d->ui_cuts.checkBox_cut_tracker_downstream);
@@ -239,6 +242,8 @@ bool VP1RawDataSysController::showVolumeOutLines() const
 VP1RawDataFlags::TrackerPartsFlags VP1RawDataSysController::enabledTrackerParts() const
 {
   VP1RawDataFlags::TrackerPartsFlags f;
+  if (m_d->ui_cuts.checkBox_cut_tracker_interface->isChecked())
+    f |= VP1RawDataFlags::Interface;
   if (m_d->ui_cuts.checkBox_cut_tracker_upstream->isChecked())
     f |= VP1RawDataFlags::Upstream;
   if (m_d->ui_cuts.checkBox_cut_tracker_central->isChecked())
diff --git a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/rawdata_settings_cuts_form.ui b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/rawdata_settings_cuts_form.ui
index e31cb80654dea675d7a72ae2b1b719746a9578ac..028cc4b2ae9dac640d1f4f50b55911feb3cd4ce2 100644
--- a/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/rawdata_settings_cuts_form.ui
+++ b/graphics/VTI12/VTI12Systems/VTI12RawDataSystems/src/rawdata_settings_cuts_form.ui
@@ -56,9 +56,9 @@
          </widget>
         </item>
         <item row="1" column="0" >
-         <widget class="QCheckBox" name="checkBox_cut_tracker_upstream" >
+         <widget class="QCheckBox" name="checkBox_cut_tracker_interface" >
           <property name="text" >
-           <string>Barrel A</string>
+           <string>Interface</string>
           </property>
           <property name="checked" >
            <bool>true</bool>
@@ -66,9 +66,9 @@
          </widget>
         </item>
         <item row="1" column="1" >
-         <widget class="QCheckBox" name="checkBox_cut_tracker_central" >
+         <widget class="QCheckBox" name="checkBox_cut_tracker_upstream" >
           <property name="text" >
-           <string>Barrel C</string>
+           <string>Upstream</string>
           </property>
           <property name="checked" >
            <bool>true</bool>
@@ -76,9 +76,19 @@
          </widget>
         </item>
         <item row="2" column="0" >
+         <widget class="QCheckBox" name="checkBox_cut_tracker_central" >
+          <property name="text" >
+           <string>Central</string>
+          </property>
+          <property name="checked" >
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1" >
          <widget class="QCheckBox" name="checkBox_cut_tracker_downstream" >
           <property name="text" >
-           <string>Endcap A</string>
+           <string>Downstream</string>
           </property>
           <property name="checked" >
            <bool>true</bool>