PnP Smartshopper Rewards not allocated

We registered our details on the Momentum Website to multiply our Smartshopper rewards \by up to 10x"as per the campaign by Momentum & Pick 'n Pay. I noticed that we do not get any additional rewards despite being on Platinum level (ie. 8x rewards) and swiping both our PnP & Multiply cards. I reported this to Multiply on 20/08/2015 who then told me to get copies of my tillslips to prove that we swiped both cards. I did this and sent details received from PnP on 9/9/2015. They rep**** on 10/9/2015 that it would be followed up. After numerous requests"