diff --git a/cs/bsdx0200GUISourceCode/CGView.cs b/cs/bsdx0200GUISourceCode/CGView.cs
index 2784993..c916d0d 100644
--- a/cs/bsdx0200GUISourceCode/CGView.cs
+++ b/cs/bsdx0200GUISourceCode/CGView.cs
@@ -2215,7 +2215,16 @@ namespace IndianHealthService.ClinicalScheduling
 
             Debug.Assert(a.RadiologyExamIEN.HasValue);
 
-            //Prior to making expensive db calls, tell the grid nothing is selected anymore so nobody would try to pick it up
+            //Can we cancel the appointment?
+            bool _canCancel = CGDocumentManager.Current.DAL.CanCancelRadExam(a.RadiologyExamIEN.Value);
+
+            if (!_canCancel)
+            {
+                MessageBox.Show(this,"You cannot cancel this request. It has either been discontinued, or registered for an examination");
+                return;
+            }
+
+            //Prior to making expensive db calls, tell the grid nothing is selected anymore so nobody would try to pick it up later
             this.calendarGrid1.SelectedAppointment = 0;
 
             //Now, Cancel the appointment
@@ -2227,6 +2236,7 @@ namespace IndianHealthService.ClinicalScheduling
             //redraw the grid to display new set of appointments after this appt was removed.
             this.UpdateArrays();
 
+            //Tell other instances that this schedule has been updated
             RaiseRPMSEvent("BSDX SCHEDULE", a.Resource);
         }
 
@@ -3469,6 +3479,13 @@ namespace IndianHealthService.ClinicalScheduling
 				{
 					return;
 				}
+
+                if (a.RadiologyExamIEN.HasValue)
+                {
+                    MessageBox.Show("Cannot move a radiology appointment to the clipboard");
+                    return;
+                }
+
 				m_ClipList.AddAppointment(a);
 				lstClip.Items.Add(a);
 			}
diff --git a/cs/bsdx0200GUISourceCode/DAL.cs b/cs/bsdx0200GUISourceCode/DAL.cs
index ed3794c..fce1631 100644
--- a/cs/bsdx0200GUISourceCode/DAL.cs
+++ b/cs/bsdx0200GUISourceCode/DAL.cs
@@ -232,6 +232,17 @@ namespace IndianHealthService.ClinicalScheduling
             string result = _thisConnection.bmxNetLib.TransmitRPC("BSDX HOLD RAD EXAM", string.Format("{0}^{1}", DFN, examIEN));
             return result == "1" ? true : false;
         }
+        
+        /// <summary>
+        /// Can we Cancel an Exam appointment? Exams that are discontinued, Active or Complete cannot be discontinued
+        /// </summary>
+        /// <param name="examIEN">IEN of exam in 75.1 (RAD/NUC MED ORDERS) file</param>
+        /// <returns>true or false</returns>
+        public bool CanCancelRadExam(int examIEN)
+        {
+            string result = _thisConnection.bmxNetLib.TransmitRPC("BSDX CAN HOLD RAD EXAM", examIEN.ToString());
+            return result == "1" ? true : false;
+        }
 
         /// <summary>
         /// Save User Preference in DB For Printing Routing Slip
diff --git a/cs/bsdx0200GUISourceCode/bin/Release/BMXNet23.dll b/cs/bsdx0200GUISourceCode/bin/Release/BMXNet23.dll
index 2bce03d..6373f3b 100644
Binary files a/cs/bsdx0200GUISourceCode/bin/Release/BMXNet23.dll and b/cs/bsdx0200GUISourceCode/bin/Release/BMXNet23.dll differ
diff --git a/cs/bsdx0200GUISourceCode/bin/Release/ClinicalScheduling.exe b/cs/bsdx0200GUISourceCode/bin/Release/ClinicalScheduling.exe
index e4f94de..23e5605 100644
Binary files a/cs/bsdx0200GUISourceCode/bin/Release/ClinicalScheduling.exe and b/cs/bsdx0200GUISourceCode/bin/Release/ClinicalScheduling.exe differ
diff --git a/cs/bsdx0200GUISourceCode/bin/Release/ar/ClinicalScheduling.resources.dll b/cs/bsdx0200GUISourceCode/bin/Release/ar/ClinicalScheduling.resources.dll
index 83d739a..fee97cd 100644
Binary files a/cs/bsdx0200GUISourceCode/bin/Release/ar/ClinicalScheduling.resources.dll and b/cs/bsdx0200GUISourceCode/bin/Release/ar/ClinicalScheduling.resources.dll differ