diff --git a/PaymentTransactions/authorize-credit-card.py b/PaymentTransactions/authorize-credit-card.py
index 4440132..62ffaa2 100644
--- a/PaymentTransactions/authorize-credit-card.py
+++ b/PaymentTransactions/authorize-credit-card.py
@@ -50,6 +50,8 @@ def authorize_credit_card(amount):
 	duplicateWindowSetting = apicontractsv1.settingType();
 	duplicateWindowSetting.settingName = "duplicateWindow"
 	duplicateWindowSetting.settingValue = "600"
+	settings = apicontractsv1.ArrayOfSetting()
+	settings.setting.append(duplicateWindowSetting)
 
 	# Create a transactionRequestType object and add the previous objects to it.
 	transactionrequest = apicontractsv1.transactionRequestType()
@@ -59,7 +61,7 @@ def authorize_credit_card(amount):
 	transactionrequest.order = order
 	transactionrequest.billTo = customerAddress
 	transactionrequest.customer = customerData
-	transactionrequest.transactionSettings = duplicateWindowSetting
+	transactionrequest.transactionSettings = settings
 
 	# Assemble the complete transaction request
 	createtransactionrequest = apicontractsv1.createTransactionRequest()
diff --git a/PaymentTransactions/charge-credit-card.py b/PaymentTransactions/charge-credit-card.py
index 0713ebb..ba0aa7c 100644
--- a/PaymentTransactions/charge-credit-card.py
+++ b/PaymentTransactions/charge-credit-card.py
@@ -50,6 +50,8 @@ def charge_credit_card(amount):
 	duplicateWindowSetting = apicontractsv1.settingType();
 	duplicateWindowSetting.settingName = "duplicateWindow"
 	duplicateWindowSetting.settingValue = "600"
+	settings = apicontractsv1.ArrayOfSetting()
+	settings.setting.append(duplicateWindowSetting)
 
 	# Create a transactionRequestType object and add the previous objects to it.
 	transactionrequest = apicontractsv1.transactionRequestType()
@@ -59,7 +61,7 @@ def charge_credit_card(amount):
 	transactionrequest.order = order
 	transactionrequest.billTo = customerAddress
 	transactionrequest.customer = customerData
-	transactionrequest.transactionSettings = duplicateWindowSetting
+	transactionrequest.transactionSettings = settings
 
 	# Assemble the complete transaction request
 	createtransactionrequest = apicontractsv1.createTransactionRequest()