33.—(1) No person may attach a red identification device to any animal, other than a replacement identification device.
(2) Where a keeper re-identifies an animal and that animal is not on its holding of birth, or the keeper does not know the holding of birth, the keeper must use a red replacement identification device but the requirement to use a red identification device does not apply to the use of boluses.
(3) Where an animal is identified by means of a bolus and a second identification device that second device must be black and a black identification device may only be used in combination with a bolus.
(4) The characters on all identification devices must be a different colour to the background of the device and must be clearly legible.