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SB n° 289: Update to EMV Contactless Book B

v1.0 Specification Bulletins
Contactless Acceptance Device

EMV® Specification Bulletin No. 289 First Edition April 2023 Update to EMV Contactless Book B Clarification of the requirements for Pre-processing Indicator Handling

Applicability

This Specification Bulletin applies to: ⚫ EMV® Contactless Specifications for Payment Systems, Book B, Entry Point Specification, version 2.10, March 2021

Related Documents

  • None Effective Date ⚫ January 2024

Description

In Book A, Section 5.8.1, starting condition of Start B states that “When starting at Start B, there is no Pre-Processing and the Entry Point Pre-Processing Indicators have fixed values.” On the other hand, in Book B, Section 3.2.1.1 states that “if the Restart flag is 0” [and] “If Entry Point is activated by the reader at Start B, then: For each Combination, Entry Point shall reset the Entry Point PreProcessing Indicators to 0.” and the two statements are not consistent. This bulletin is published to update Book B to align the descriptions in the specifications.

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Details of Changes ✓ Change Section 3.2.1.1 as follows: Requirements – Protocol Activation 3.2.1.1 If the Restart flag is 0, then:

  • If Entry Point is activated by the reader4 at Start B, then:
  • For each Combination, Entry Point shall reset the Entry Point Pre-Processing Indicators to either the fixed value, or to zero if there is not a fixed value.
  • For each Combination, if Terminal Transaction Qualifiers (TTQ) is configured, then Entry Point shall copy the TTQ from Entry Point Configuration Data (see Book A, Table 5-2) into the Copy of TTQ in the Entry Point Pre-Processing Indicators.
  • Entry Point shall clear the Candidate List. 4 Error situations (e.g. timeout) or Outcomes handled directly by Entry Point (e.g. Try Again) are not considered an activation by the reader. countries.

Legal Notice

The EMV® Specifications are provided “AS IS” without warranties of any kind, and EMVCo neither assumes nor accepts any liability for any errors or omissions contained in these Specifications. EMVCO DISCLAIMS ALL REPRESENTATIONS AND WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT, AS TO THESE SPECIFICATIONS. EMVCo makes no representations or warranties with respect to intellectual property rights of any third parties in or in relation to the Specifications. EMVCo undertakes no responsibility to determine whether any implementation of the EMV® Specifications may violate, infringe, or otherwise exercise the patent, copyright, trademark, trade secret, know-how, or other intellectual property rights of third parties, and thus any person who implements any part of the EMV® Specifications should consult an intellectual property attorney before any such implementation. Without limiting the foregoing, the Specifications may provide for the use of public key encryption and other technology, which may be the subject matter of patents in several countries. Any party seeking to implement these Specifications is solely responsible for determining whether its activities require a license to any such technology, including for patents on public key encryption technology. EMVCo shall not be liable under any theory for any party’s infringement of any intellectual property rights in connection with the EMV® Specifications

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