Transferring a domain from one registrar company to another usually involves the use of a special transfer code, which different registrar companies call an EPP authentication code, a domain name password or an AuthInfo code. This code can be used as a protection mechanism against unapproved transfers with all generic and with most country-code extensions. The code can be obtained only by the owner of the specific domain name and is issued by the current domain registrar company. It must be given to the new domain name registrar company because the transfer cannot be started without it. The code is case-sensitive and typically comprises of numbers and special characters, so as to stop unauthenticated people from breaking it. Certain registrar companies even reset the codes of domain names registered through them periodically for even better safety.