What is the Registrar link used for?

all killer.  no filler.

The Registrar link is used when you are transferring a .UK domain to another Registrar. The gaining Registrar initiates the transfer for you, and to complete the transfer, you need to enter the tag for the new Registrar.

To complete a .UK domain transfer to another Registrar

  1. Click Manage, and log in to your account.
  2. Beside the .UK domain that you want to transfer, click Registrar.
  3. In the New Registrar Tag (destination) field, enter the gaining Registrar’s tag.
  4. Click Save.