Nothing else as far as I can see. So you would meet that by having your QF Bronze number on the QF boarding pass and then present your AB Gold card to access the lounge.
This will confuse the QP Dragon - just done that today at SYD T3. FF Bronze on the BP, flashed the MPC GO, Dragon got confused, called supervisor for help and changed my BP to CX number. Not that it matters, it was a redemption flight anyway.