diff --git a/tracy/tracy/inc/read_script.h b/tracy/tracy/inc/read_script.h
index 06a1fe56908fb207343f57af09a6bc5266838ef1..475787122f79ed09481d12c000ef5a2c4ca4b774 100644
--- a/tracy/tracy/inc/read_script.h
+++ b/tracy/tracy/inc/read_script.h
@@ -87,7 +87,9 @@
    //Touschek lifetime
    bool TouschekFlag, IBSFlag, TousTrackFlag;
    
-    
+   // ID correction
+   bool IDCorrFlag;
+     
   //set default values
   UserCommand(void)   //constructor
  {  
@@ -175,6 +177,10 @@ strcpy(_EnergyTuneShift_nudp_file,"nudp.out");
 //COD correction
  extern int nwh, nwv; 
 
+// ID correction 
+extern char   IDCq_name[max_str][11];
+
+
 extern char hcorr_name[max_str], vcorr_name[max_str];
 extern char skew_quad_name[max_str], bpm_name[max_str];
 extern char gs_name[max_str], ge_name[max_str];