The monthly Coles offer. This is eligible when you purchase a gift card as well.
Other have also reported - Getting cash out with a purchase counts too
Offer not eligible at any Coles Express locations. Cannot be used with any other offer. Excludes Voucher codes, gift cards and coupon deals. Offer cannot be refunded, exchanged, transferred, or redeemed for cash. Offer eligible for online and in-store payments. Eligible online orders must be placed and delivered or collected within the offer validity dates. Final transaction value for online orders must meet minimum spend threshold in order to receive the cashback.
Thanks for spotting this OP. $20 / $200 for me.