PUBLICLY ISO/PAS AVAILABLE 23263 SPECIFICATION First edition 2019-09 Petroleum products Fuels (class F) Considerations for fuel suppliers and users regarding marine fuel quality in view of the implementation of maximum 0,50 % sulfur in 2020 Produits pétroliers - Combustibles (classe F) - Considérations a I'usage des fournisseurs de combustibles et des utilisateurs pour la qualite des combustibles pour la marine en vue de la mise en application de la teneur maximale en soufre de 0,50 % en 2020 Reference number ISO/PAS 23263:2019(E) rso @IS02019 IS0/PAS 23263:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved