ISO/TR TECHNICAL REPORT 12037 First edition 1998-12-15 Electronic imaging Recommendations for the expungement of information recorded on write-once optical media Imagerie électronique Recommendations pour I'elimination des informations enregistrées sur disque optique WORM ISO Reference number ISO/TR 12037:1998(E) py IHS under lic Not for Resale ISO/TR 12037:1998(E) Contents 1Scope 2Reference 3 Terms and definitions 4 File integrity recommendations 3 5 Index..... 6 Copies.. .4 Annex A (informative) Change notice .. Annex B (informative) Comments to the court administrator.. 6 @ISO1998 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 OrganizationforStandardization Case postale 56. CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland Copyright International Organization for Standardization by IHS under se from IHS Not for Resale ISO/TR 12037:1998(E) @ISO Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO liaison with IsO, also take part in the work. isO collaborates closely with the International Electrotechnical Commission(lEC)onallmattersofelectrotechnicalstandardization. technical committee may propose the publication of a Technical Report of one of the following types: repeated efforts; type 2, when the subject is still under technical development or where for any other reason there is the future type 3, when a technical committee has collected data of a different kind from that which is normally published as an international standard (state of the art", for example). reviewed until the data they provide are considered to be no longer valid or useful. Document imaging applications, Subcommittee SC 3, General issues. Annexes A and B are for information only. ii