Dave's analysis based on the published rules at the time was logical; but not born out in practice.
Since then, the
Rules have been updated and are specific:
[TABLE="class: grid, width: 400"]
[TR]
[TD]Status
[/TD]
[TD]Domestic Business Lounge
[/TD]
[/TR]
[TR]
[TD="class: vMiddle"]
[/TD]
[TD]Next onward flight that day must be on a
oneworld operated and marketed flight[SUP]#[/SUP].
One guest allowed
[/TD]
[/TR]
[TR]
[TD="class: vMiddle"]
[/TD]
[TD]No access
[/TD]
[/TR]
[/TABLE]
[TABLE="class: grid, width: 400"]
[TR]
[TD]Member Type
[/TD]
[TD]Domestic Business Lounge
[/TD]
[/TR]
[TR]
[TD]
Platinum[/TD]
[TD]Must be travelling on any flight the same day that shows Qantas, Jetstar Airlines[SUP]+[/SUP] or a
oneworld flight number on your ticket.
Two guests allowed and do not need to be travelling.
[/TD]
[/TR]
[TR]
[TD="class: vMiddle"]
Gold
[/TD]
[TD]No access
[/TD]
[/TR]
[/TABLE]