The title says it all. I know I am missing my 3rd parameter per the error, but I can't determine where.
IF ( Not_Final_Destination__c = TRUE,
IF (AND(SCMC__Customer_Account__r.ShippingCountry <> "United States",
SCMC__Customer_Account__r.ShippingCountry <> "Canada"),
SCMC__Customer_Account__r.ShippingCountry,
IF (OR(SCMC__Customer_Account__r.ShippingCountry = "United States",
SCMC__Customer_Account__r.ShippingCountry = "Canada"),
SCMC__Customer_Account__r.ShippingState,
IF (AND(SCMC__Drop_Ship__c = TRUE, Not_Final_Destination__c = FALSE),
SCMC__Drop_Ship_State_Province__c,
IF ((ISBLANK( SCMC__Actual_Ship_To_Address__c )),
SCMC__Customer_Account__r.ShippingState,
SCMC__Actual_Ship_To_Address__r.SCMC__Mailing_State_Province__c)
)
)
)
)