of a generic TLD it's not permitted:
don't renew the domain at the expiration date. Domain name registrations that
are not renewed will expire and you will no longer be the registrant of the expired
name. Expired domain names will become available to other potential registrants.
you want to change the Registrant
and/or change the Admin-c for your
domain name (in the event you want to sell the domain), you can do it easily using
NetRegister's request forms.