diff --git a/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs b/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs
index aaf2fab9..ca7314d6 100644
--- a/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs	
+++ b/PROMS/VEPROMS User Interface/DlgPrintProcedure.cs	
@@ -1206,20 +1206,28 @@ namespace VEPROMS
 		private bool validateDate(TextBox txtDate)
 		{
 			DateTime dDate;
-			if (DateTime.TryParse(txtDate.Text, out dDate))
+			if (!(txtDate.Text == ""))
 			{
-				return true;
-			}
-			else
-			{
-				string txtDate2 = txtDate.Text;
-				string message = String.Format("Date {0} in wrong format" + System.Environment.NewLine + "Correct the revision date.", txtDate2);
-				string txtTitle = "Invalid Format";
-				MessageBox.Show(message, txtTitle);
-				return false;
+
+				if (DateTime.TryParse(txtDate.Text, out dDate))
+				{
+					return true;
+				}
+				else
+				{
+					string txtDate2 = txtDate.Text;
+					string message = String.Format("Date {0} in wrong format" + System.Environment.NewLine + "Correct the revision date.", txtDate2);
+					string txtTitle = "Invalid Format";
+					MessageBox.Show(message, txtTitle);
+					return false;
+				}
 			}
+			return true;
 		}
 
+
+
+
 		private void txbRevDate_Enter(object sender, EventArgs e)
 		{
 			txbDate = txbRevDate;