Specifies a method for authenticating card-originated electronic messages relating to financial transactions.RECONFIRMATION NOTICETechnical Committee IT-005 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 07 December 2015.The following are represented on Technical Committee IT-005:Australian Association of Permanent Building SocietiesAustralian Bankers AssociationAustralian Payments Clearing AssociationCredit Union Services Corporation (Australia)EFTPOS Payments Australia