diff --git a/Tracking/TrkEvent/TrkTrackLink/TrkTrackLink/ITrackLink.h b/Tracking/TrkEvent/TrkTrackLink/TrkTrackLink/ITrackLink.h
index ced706d1796b85a41f09a7f2221a71c7bca39645..0f080853073a53e9551ba81a09ede7ed913f4973 100644
--- a/Tracking/TrkEvent/TrkTrackLink/TrkTrackLink/ITrackLink.h
+++ b/Tracking/TrkEvent/TrkTrackLink/TrkTrackLink/ITrackLink.h
@@ -19,6 +19,7 @@
  */
 
 #include "TrkParameters/TrackParameters.h"    // no forward declare for now because needed in cast
+#include "TrkNeutralParameters/NeutralParameters.h" // no forward declare for now because needed in cast
 
 namespace Trk
 {
@@ -42,6 +43,9 @@ namespace Trk
     /** return the track parameters of the track or TrackParticleBase) */
     virtual const TrackParameters* parameters() const = 0;
 
+    /** return the neutral parameters of the NeutralParticle) */
+    virtual const NeutralParameters* neutralParameters() const = 0;
+
     /**return number of parameters currently created*/
     ////DRQ: Commented out because not implemented
     ////static unsigned int numberOfInstantiations();
diff --git a/Tracking/TrkEvent/TrkTrackLink/cmt/requirements b/Tracking/TrkEvent/TrkTrackLink/cmt/requirements
index 24e5e43ba7de2e7a5e9848b3e2bc0d244b994759..96d86111e2796fabbee0d94c8bdb5a00e69e5865 100644
--- a/Tracking/TrkEvent/TrkTrackLink/cmt/requirements
+++ b/Tracking/TrkEvent/TrkTrackLink/cmt/requirements
@@ -5,6 +5,7 @@ manager Kirill Prokofiev <Kirill.Prokofiev@cern.ch>
  
 use AtlasPolicy         AtlasPolicy-*
 use TrkParameters    TrkParameters-*         Tracking/TrkEvent
+use TrkNeutralParameters TrkNeutralParameters-*      Tracking/TrkEvent
 
 private
 use     AtlasReflex               AtlasReflex-*          External -no_auto_import