Open 'OrderScript.pl' in your 'Site1' folder with Notepad.
Locate the line
push(@aRecipients, $$pBuyer{EmailAddress});
This is within the 'DisplayReceiptPhase' function. Add a '#' at the beginning of the line to make it read:
# push(@aRecipients, $$pBuyer{EmailAddress});
Underneath this line, add the following:
push(@aRecipients, $::g_BillContact{EMAIL});
Actinic is not able to provide any detailed support for script changes made. If you find that there is a problem, an original copy of the script can be found within the 'Original' folder in your installation. Copy this into your site folder.