(1) An item of crab apparatus used to take crabs must have a tag with the owner's name written on it or be marked with the boat mark for the owner's primary boat.
(2) Also, if the crab apparatus is not fixed to something while it is being used, the apparatus must have attached to it a light coloured float that--
(a) is at least 15cm in all it dimensions; and
(b) is marked with the boat mark for the primary boat of the owner of the apparatus.