If you wish to transfer a domain name from one registrar company to another, you will have to pass through a few safety steps. One of them is obtaining a unique EPP authentication code from the current domain name registrar – as long as you are the domain registrant, since the code is sent to the owner's email address and no one else can get it. You will have to give this code to the new domain name registrar, otherwise they will not be able to initiate the domain transfer procedure. The EPP authorization codes are case-sensitive and may comprise of numbers or special symbols such as commas or dots, which can be easily mistyped, so make sure you copy/paste the right code. As an extra security measure, the transfer code for a domain may be changed regularly. Certain registrar companies refer to this code as a domain password, a domain secret or an Auth key as well.