ISO INTERNATIONAL STANDARD 14452 First edition 2012-07-01 Network services billing Requirements Facturation de services en réseau-Exigences Reference number ISO 14452:2012(E) LSO @ISO2012 py IHS under lic No reproduction or networking permitted without license from IHS Not for Resale ISO14452:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 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 either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved No reproductic etworking permitted without license from IHS Not for Resale ISO 14452:2012(E) Contents Page Foreword ..iv Introduction 1 Scope 2 Terms and definitions. 3 Billing process 5 3.1 Pre-billing process. 5 3.2 Billing principles. 3.3 Billing document 10 3.4 Post-billing processes.. .15 3.5 Customers in vulnerable circumstances 17 3.6 End of contract and switching supplier.. 18 3.7 Compliance and continuous improvement .18 Annex A (informative) Guidance for bill presentation. 20 Bibliography 21 ili by IHS underI se with ISt d without license from IHS Not for Resale