When completing a GET request to the endpoint /GeneralLedger/TaxCode you may have noticed you can not locate the consolidated tax code against this endpoint or this has returned the response:
The API does not support consolidated tax codes, this is an in-product feature only.
Please see the screenshot below of what a consolidated tax code looks like from the UI.
Setting up Tax codes: http://help.myob.com/wiki/x/E4FW
If you have any questions, feel to log a ticket with the Customisation & Integration Team.