Copyright notice

This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as permitted under the applicable laws of the user's country, neither this ISO draft nor any extract from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, photocopying, recording or otherwise, without prior written permission being secured.

Requests for permission to reproduce should be addressed to 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  copyright@iso.org
Web  www.iso.org

Reproduction may be subject to royalty payments or a licensing agreement.

Violators may be prosecuted.