art 17 Replacement of the identification mark with a different code for double-tagged animals which have lost one identification mark
(1) This article applies where one identification mark from a double-identified animal is lost or illegible but one legible identification mark remains. (2) In this article and article 18 “double-identified animal” means an animal identified with two identification marks. (3) If the animal is on its holding of birth the keeper must replace a lost or illegible means of identification or older means of identification with another means of identification and — (a) ensure that at least one means of identification or older means of identification on an animal is an eartag; and (b) record information about the addition of the new means of identification including in full the identification code on the replacement tags in columns 1 and 2 of section 2 of the register. (4) If the animal is no longer on its holding of birth the keeper must replace a lost or illegible identification mark with a replacement means of identification and (a) ensure that at least one identification mark on an animal is an eartag; and (b) record information about the replacement including the full identification code on the replacement means of identification in columns 1 and 2 of section 2 of the register. (c) record the letters and flockmark or herdmark on the remaining means of identification or older means of identification, or the full code on a method of identification in column 3 of section 2 of the register.