Why can’t I register? June 01, 2020 17:47 Updated If you are having a problem registering on coa-retailers.com, please contact our Customer Care Team at firstname.lastname@example.org and be sure to reference B2B in the subject line. Related articles How do I register? Who is my Sales Rep? What is the cost of an item? How much is my account balance? Can I make a change to the shipping address?