From the NRMA web page:
Caltex branded sites are changing to Ampol#. Please be assured as an NRMA Member you can access your fuel discount at both participating Caltex and Ampol locations during this transition.
As Ampol continue to roll out revitalised stores across Australia, your local store may be branded Caltex or Ampol#, in either case your discount will be applied at either branded service stations.
Member offer
From April 1 until April 18, NRMA Members can save 8c per litre on Premium fuels and 4c per litre on regular fuels at participating Ampol# and Caltex branded service stations*.
How to redeem
Simply download the my nrma app and visit a participating Caltex or Ampol# service station with your QR code in tow to redeem. Be sure to have your code ready at the counter for a swift transaction.
I thought this said $0.80c off and got excited :(