You can request your authorisation code in your online control panel. Click on “Domain names” to list all your domain names and click on the domainname you want to request it for.
For each domain name registered with Nucleus you will see an “info” icon, on this page you will find a link “request authorisation code”. After clicking on this link the authorisation code will show up.
This article is only valid for international domain names like .com, .net, .org etc.