diff --git a/LSL2/STPROC/RDS_EVENTS.txt b/LSL2/STPROC/RDS_EVENTS.txt
index 9c17fb1..d70d219 100644
--- a/LSL2/STPROC/RDS_EVENTS.txt
+++ b/LSL2/STPROC/RDS_EVENTS.txt
@@ -348,14 +348,16 @@ Event PUB_SIGN.CLICK()
                     If ExistingTestWafersLogged NE True$ then
                         If Not(IsTWReqd) then
                             //Test wafer logging is NOT required here.
-                            UsingTestWafers = Msg(@Window, '', 'YESNO', '', 'Test Wafer Usage logging is not required on this load.':@FM:'Are any test wafers loaded?')
-                            If UsingTestWafers EQ True$ then
-                                TWLogResult = Dialog_Box('NDW_LOG_TEST_WAFER_USAGE', @Window, RDSNo : @VM : 'STANDARD' : @VM : 'REACTOR' : @VM :  Reactor)
-                                If TWLogResult NE True$ then
-                                    ContinueSign = Msg(@Window, '', 'YESNO', '', 'Continue?':@FM:'Test wafer logging was cancelled. Do you wish to continue signing?')
-                                    If Not(ContinueSign) then return
-                                end
-                            end
+                            If ReactorType NE 'EPP' then
+								UsingTestWafers = Msg(@Window, '', 'YESNO', '', 'Test Wafer Usage logging is not required on this load.':@FM:'Are any test wafers loaded?')
+								If UsingTestWafers EQ True$ then
+									TWLogResult = Dialog_Box('NDW_LOG_TEST_WAFER_USAGE', @Window, RDSNo : @VM : 'STANDARD' : @VM : 'REACTOR' : @VM :  Reactor)
+									If TWLogResult NE True$ then
+										ContinueSign = Msg(@Window, '', 'YESNO', '', 'Continue?':@FM:'Test wafer logging was cancelled. Do you wish to continue signing?')
+										If Not(ContinueSign) then return
+									end
+								end
+                            end                        
                         end else
                             //Test wafer logging is Required here.
                             Begin Case
@@ -723,3 +725,4 @@ return
 
 
 
+