What is an authorization code or EPP code? Domain registrar will assign an authorization code to each domain name during the application. This code is needed for domain registrar transfer. Prev Next Related Post: What will be my domain expiry date after the registrar transfer?Why is my domain locked?I have already submitted a domain transfer request, why is my domain name still held in my old registrar?How do I get my Authorization Code from CommuniLink?How can I get my authorization code if my admin email is invalid?