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TTA Bulletin n°276: Reduced Range Devices Acceptance Criteria

v1.0 Type Approval Bulletins
Contactless Acceptance Device

EMV® Terminal Type Approval Bulletin No. 276 First Edition April 2024 Reduced Range Devices Acceptance Criteria This Bulletin defines specific Acceptance Criteria for Reduced Range devices

Applicability

This Bulletin applies to:  Contactless Terminal Level 1 Type Approval Process

Related Documents

This Bulletin should be read in conjunction with:  EMV Level 1 Specifications for Payment Systems, EMV Contactless Interface Specification, version 3.1, December 2020.  EMV Contactless Terminal Level 1 Type Approval – Reduced Range Devices Level1 Test Guidelines 3.1a, April 2024. Effective Date  Immediately This Bulletin defines specific Analogue and Interoperability Acceptance Criteria that EMVCo will consider when reviewing the test results to decide whether a Reduced Range Letter of Approval can be granted. The Acceptance Criteria are defined as the minimum percentage of positions where the device under test complies with Analogue requirements defined in EMV® Specification. Additionally, the criteria assess successful compliance with Interoperability tests with cards and mobiles. This approach introduces some flexibility by allowing certain positions to fail, while still ensuring an acceptable level of interoperability. EMVCo intends that Reduced Range devices will eventually progress toward compliance with standard EMV requirements in the testing Operating Volumes defined in Reduced Range Level1 Test Guidelines. Accordingly, these Acceptance Criteria are considered to be temporary and may be subject to change over time. Note that the existing Acceptance Criteria for Digital and IQ testing continues to apply to ensure full compliance for interoperability.

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1. Analogue Acceptance Criteria Even though the Analogue Acceptance Criteria are defined in a limited Operating Volume, Analogue tests shall be performed using the procedure and Operating Volumes defined in the EMV® Contactless Terminal Level 1 Type Approval – Reduced Range Products Level1 Test Guidelines document. 1.1. Analogue Test Cases classification Analogue Test Cases are divided into two groups of Test Cases.  Group 1 Test Cases:

  • TAB111: PCD to PICC Power Transfer
  • TA131 to TA138: PICC to PCD Signal Interface for Type A Communications Test Cases
  • TB131 to TB138: PICC to PCD Signal Interface for Type B Communications Test Cases  Group 2 Test Cases: All other Analogue Test Cases. 1.2. Reduced Range 1 Analogue Acceptance Criteria The following test positions are considered to decide if a “Reduced Range 1” LoA can be issued: Z (cm) 0 Test Positions (0,0,0); (0,0’,0); (0,0’,3); (0,0’,6); (0,0’,9); (0,1,0); (0,1,3); (0,1,6); (0,1,9) 0,5 (0’,0,0); (0’,0’,0); (0’,0’,3); (0’,0’,6); (0’,0’,9); (0’,1,0); (0’,1,3); (0’,1,6); (0’,1,9) 1 (1,0,0); (1,0’,0); (1,0’,3); (1,0’,6); (1,0’,9); (1,1,0); (1,1,3); (1,1,6); (1,1,9) Table 1— Reduced Range 1 Test Positions for Approval As a result, Analogue tests are performed at the following test positions for information purposes only:  All test positions at z > 1 cm  All test positions on the outer circle of the testing Operating Volume at z=1cm: (1,2,f) To be eligible for a Reduced Range 1 LoA, a product shall reach the following Acceptance Criteria:  Group 1 Test Cases: For EMV – TEST PICC 1 and EMV – TEST PICC 2:
  • At least 3 out of 9 test positions shall be PASS at z=0 cm for all Group 1 Test Cases
  • At least 3 out of 9 test positions shall be PASS at z=1 cm for all Group 1 Test Cases
  • At least 60% of the test positions defined in Table 1 shall be PASS for all Group 1 Test cases. Results from Group 1 Test Cases with EMV – TEST PICC 3 are used for information purposes only.  Group 2 Test Cases: All test positions shall be PASS where z ≤ 1 cm. countries. 1.3. Reduced Range 2 Analogue Acceptance Criteria The following test positions are considered to decide if a “Reduced Range 2” LoA can be issued: Z (cm) 0 Test Positions (0,0,0); (0,0’,0); (0,0’,3); (0,0’,6); (0,0’,9); (0,1,0); (0,1,3); (0,1,6); (0,1,9) 0,5 (0’,0,0); (0’,0’,0); (0’,0’,3); (0’,0’,6); (0’,0’,9); (0’,1,0); (0’,1,3); (0’,1,6); (0’,1,9) 1 (1,0,0); (1,0’,0); (1,0’,3); (1,0’,6); (1,0’,9); (1,1,0); (1,1,3); (1,1,6); (1,1,9); (1,2,0); (1,2,3); (1,2,6); (1,2,9) 1,5 (1’,0,0); (1’,0’,0); (1’,0’,3); (1’,0’,6); (1’,0’,9); (1’,1,0); (1’,1,3); (1’,1,6); (1’,1,9); (1’,2,0); (1’,2,3); (1’,2,6); (1’,2,9) 2 (2,0,0); (2,0’,0); (2,0’,3); (2,0’,6); (2,0’,9); (2,1,0); (2,1,3); (2,1,6); (2,1,9); (2,2,0); (2,2,3); (2,2,6); (2,2,9) Table 2— Reduced Range 2 Test Positions for Approval As a result, Analogue tests are performed at test positions at z > 2cm for information purposes only. To be eligible to receive a Reduced Range 2 LoA a product shall reach the following Acceptance Criteria:  Group 1 Test Cases: For EMV – TEST PICC 1, EMV – TEST PICC 2 and EMV – TEST PICC 3:
  • At least 3 out of 9 test positions shall be PASS at z=0 cm for all Group 1 Test Cases.
  • At least 3 out of 13 test positions shall be PASS at z=2 cm for all Group 1 Test Cases.
  • At least 60% of the test positions defined in Table 2 shall be PASS for all Group 1 Test Cases.  Group 2 Test Cases: All test positions Shall be PASS where z ≤ 2cm. 2. Interoperability Acceptance Criteria. Even though the Interoperability Acceptance Criteria are defined in a limited Operating Volume, Interoperability tests shall be performed using the procedure and Operating Volumes defined in the EMV® Contactless Terminal Level 1 Type Approval – Reduced Range Products Level 1 Test Guidelines document. 2.1. Scores A Score (also named Success Rate in PCD Level1 Interoperability Testing Requirements document) is calculated for each PTP device (PTP Card and PTP Mobile) using testing positions and associated weights defined by EMVCo. It is basically the sum of the weights of testing positions where the transactions worked divided by the sum of the weights of all testing positions in the considered operating volume. countries. 2.2. Operating Volumes Scores are calculated in different testing Operating Volumes depending on the Reduced Range Approval the product has applied for. EMVCo defined 3 different Operating Volumes:  OV1: Test positions up to 1cm.  OV2: Test positions up to 2 cm.  OV4: Test positions up to 4 cm. 2.3. Reference Scores EMVCo defines three reference scores (RefScores) or levels of performance for the Interoperability tests with a PTP device. Using different “RefScores” allows accommodating specific designs that could lead to some nonoptimal RF coupling as exceptions. For example, while most of the PTP Cards are ID1 PVC cards, few with non-PVC material or unique antenna shapes may come with specific challenges although compliant with EMV specifications. These reference scores are used to in the definition of the Acceptance Criteria (see sections 2.4 and 2.5). The reference scores are defined as follows: Reference Scores RefScore1 RefScore2 RefScore3 Value 70% 50% 15% Table 3— Reference Scores Note: The reference scores are subject to change over the time. 2.4. Reduced Range 1 Interoperability test Acceptance Criteria For Reduced Range 1 products, the Scores are calculated in two different Operating Volumes:  OV1.  OV2. Interoperability Acceptance Criteria are defined only in OV1, the Scores in OV2 are calculated for information purpose only. To be eligible for a Reduced Range 1 LoA a product shall reach ALL of the following Acceptance Criteria in OV1 Operating Volume for PTP Mobiles and PTP Cards respectively: PTP Types Acceptance Criteria PTP Mobiles PTP Cards Minimum % of the PTPs with Scores higher or equal to RefScore1: Minimum % of the PTPs with Scores higher or equal to RefScore2: Minimum % of the PTPs with Scores higher or equal to RefScore3: Minimum % of the PTPs with Scores higher or equal to RefScore1: 70% 100% 100%. 60% countries. Minimum % of the PTPs with Scores higher or equal to RefScore2: Minimum % of the PTPs with Scores higher or equal to RefScore3: Table 4— Reduced Range 1 Interoperability Acceptance Criteria 80% 100% 2.5. Reduced Range 2 Interoperability test Acceptance Criteria For Reduced Range 2 products, the Scores are calculated in two different Operating Volumes:  OV2.  OV4. Acceptance Criteria are defined only in OV2, scores in OV4 are calculated for information purpose only. To be eligible for a Reduced Range 2 LoA a product shall reach ALL of the following Acceptance Criteria in OV2 Operating Volume for PTP Mobiles and PTP Cards respectively: PTP Types Acceptance Criteria PTP Mobiles PTP Cards Minimum % of the PTPs with Scores higher or equal to RefScore1: Minimum % of the PTPs with Scores higher or equal to RefScore2: Minimum % of the PTPs with Scores higher or equal to RefScore3: Minimum % of the PTPs with Scores higher or equal to RefScore1: Minimum % of the PTPs with Scores higher or equal to RefScore2: Minimum % of the PTPs with Scores higher or equal to RefScore3: Table 5— Reduced Range 2 Interoperability Acceptance Criteria 70% 100% 100%. 60% 80% 100% countries.

Legal Notice

This document summarizes EMVCo’s present plans for evaluation services and related policies and is subject to change by EMVCo at any time. This document does not create any binding obligations upon EMVCo or any third party regarding the subject matter of this document, which obligations will exist, if at all, only to the extent set forth in separate written agreements executed by EMVCo or such third parties. In the absence of such a written agreement, no product provider, test laboratory or any other third party should rely on this document, and EMVCo shall not be liable for any such reliance. No product provider, test laboratory or other third party may refer to a product, service or facility as EMVCo approved, in form or in substance, nor otherwise state or imply that EMVCo (or any agent of EMVCo) has in whole or part approved a product provider, test laboratory or other third party or its products, services, or facilities, except to the extent and subject to the terms, conditions and restrictions expressly set forth in a written agreement with EMVCo, or in an approval letter, compliance certificate or similar document issued by EMVCo. All other references to EMVCo approval are strictly prohibited by EMVCo. Under no circumstances should EMVCo approvals, when granted, be construed to imply any endorsement or warranty regarding the security, functionality, quality, or performance of any particular product or service, and no party shall state or imply anything to the contrary. EMVCo specifically disclaims any and all representations and warranties with respect to products that have received evaluations or approvals, and to the evaluation process generally, including, without limitation, any implied warranties of merchantability, fitness for purpose or non-infringement. All warranties, rights and remedies relating to products and services that have undergone evaluation by EMVCo are provided solely by the parties selling or otherwise providing such products or services, and not by EMVCo, and EMVCo will have no liability whatsoever in connection with such products and services. This document is provided "AS IS" without warranties of any kind, and EMVCo neither assumes nor accepts any liability for any errors or omissions contained in this document. 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 THIS DOCUMENT. EMVCo makes no representations or warranties with respect to intellectual property rights of any third parties in or in relation to this document. EMVCo undertakes no responsibility to determine whether any implementation of this document 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 this document should consult an intellectual property attorney before any such implementation. Without limiting the foregoing, this document 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 this document 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 this document.

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