ISO INTERNATIONAL STANDARD 11784 Second edition 1996-08-15 Radio-frequency identification of animals - Code structure ldentification des animaux par radiofréquence Structure du code A ISO Reference number ISO 11784:1996(E) ISO 11784:1996(E) Foreword ISO (the International Organization for Standardization) is a worldwide fed- eration of national standards bodies (isO member bodies). The work of preparing g International Standards is normally carried out through IsO which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with iSO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (iEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 11784 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, subcom- mittee Sc 19, Agricultural electronics. This second edition cancels and replaces the first edition (ISO 11784:1994), which has been technically revised. @1SO1996 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case Postale 56.CH-1211Geneve20.Switzerland Printed in Switzerland ii