From the terms and conditions.
~ Invitations are valid for Qantas Club and Qantas operated international Business Lounges only. Not valid in International First Class Lounges, Chairman's Lounge, Qantas Domestic Business, Qantas oneworld® alliance airline, partner airline or associated lounges. Each invitation is valid for a single visit before the date specified on the invitation, when travelling with Qantas or Jetstar with a QF or JQ flight number. Qantas Club rules apply which are available at qantas.com/qantasclub. Subject to Qantas Club Invitation Conditions available at macquarie.com.au. To be eligible for the two Qantas Club lounge passes you must be approved by 28 February 2013, opt into Qantas Frequent Flyer Rewards. The two Qantas Club lounge passes will be sent to your Card account mailing address within 60 days of your first eligible purchase, provided that you are not in breach of the Conditions of Use and your Account remains open. The two Qantas Club lounge passes expire on 31 December 2013.