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SB nº 282: Contactless – PPS0 and PPS1 RFU Value Handling

v1.0 Specification Bulletins
Contactless Acceptance Device

EMV® Specification Bulletin No. 282 First Edition March 2023 PPS0 and PPS1 RFU Value Handling This Specification Bulletin updates the requirements related to PPS0 and PPS1 RFU value handling.

Applicability

This Specification Bulletin applies to:

  • EMV® Level 1 Specifications for Payment Systems, EMV Contactless Interface Specification, Version 3.2 – July 2022.

Related Documents

  • None

Description

This Specification Bulletin implements the following updates:

  • It changes Table 5.24: Coding of PPS1
  • It adds new PICC requirements 5.8.1.2a and 5.8.1.4 to specify the handling of RFU values in PPS0 and PPS1. The updates align the handling of RFU values in PPS0 and PPS1 with ISO/IEC 14443-4:2018. countries. Specification Changes Add new requirements table after Table 5.23 with new requirement 5.8.1.2a. Requirements 5.22a: PPS0 PICC 5.8.1.2a A PICC receiving a PPS command with PPS0 b8-b6 different from (000)b or b4-b1 different from (0001)b shall ignore the RFU value and respond to the PPS command. Update Table 5.24 as follows: Table 5.24: Coding of PPS1 b8 b7 b6 b5 b4 b3 b2 b1 Meaning 0 0 0 0 Other values are RFU x x DSI (selected divisor PICC to PCD) x x DRI (selected divisor PCD to PICC) Update Requirements 5.23: PPS1 as follows: Requirements 5.23: PPS1 PICC 5.8.1.3 The PICC shall implement the bit rates requested by the PCD in the PPS command after sending the PPS response provided they comply with those proposed by the PICC in TA(1) of the RATS response.

5.8.1.4 A PICC receiving a PPS command with PPS1 b8-b5 different from (0000)b shall ignore the PPS command and shall ignore any further PPS commands.

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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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