Does Checkout 51 have a referral program? Vicky Updated November 15, 2016 13:37 Follow Currently, we do not have a referral program for our members. Related articles Can multiple people from the same household participate? Can I use food stamps to pay for products I’m claiming for Cash Back? How can I join Checkout 51? Can I cover up payment information when I submit my receipt? Can I earn Cash Back for online purchases? Comments 0 comments Article is closed for comments.