If I registered for Blue Rewards prior, do I need to re-register in a new year? November 22, 2022 15:02 Updated No. Blue Rewards registrants who renew their BlueCross policy do not need to re-register for Blue Rewards. Related articles Can reward dollars be used to pay for prescription medicines? Why can’t I use my card at this doctor? How long will it take for the carryover dollars to show in my Blue Rewards account? Can reward dollars be used out of network? Can reward dollars be used by non-members?