MYOB payby, works by activiating the "online payment" tick box on each invoice.
There is no field in the import/export field range that captures this feature.
So when importing batch invo...
This is import, esp when you have like over 100 invoices per import. As of yet we are not bothering so all those invoices are being paid using older (and more inefficent) payment methods and gateways and not being routed through the MYOB payment gateway.