3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Instalment Payment DatapurchaseInstalData

Instalment Payment Data in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 3 · Maximum length: 3

Baseline in AReq Conditional

Conditional. Same classification across the remaining channels and categories. • Required if the Merchant and the Cardholder have agreed to instalment payments, i.e., if 3DS Requestor Authenticati on Indicator = 03. Omitted if not an instalment payment authenticati on • Required for 03-3RI if 3RI Indicator = 02. Usage and conditions ↓

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Usage in AReq

Indicates the maximum number of authorisations permitted for instalment payments.

Conditional inclusion — source text

• Required if the Merchant and the Cardholder have agreed to instalment payments, i.e., if 3DS Requestor Authenticati on Indicator = 03. Omitted if not an instalment payment authenticati on • Required for 03-3RI if 3RI Indicator = 02.

Related condition fields: threeDSRequestorAuthenticationInd, threeRIInd.

Format and scope

Type: String · Length: Variable, maximum 3 · Maximum length: 3

Source components: 3DS Server. Channels: 01-APP, 02-BRW, 03-3RI. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 255

Transaction context

This reference covers the published source edition. Use the explorer to inspect this field and any applicable transaction conditions. Scheme programme requirements are not inferred from the protocol edition.

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Sources and related references

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 255

Source review status: carried-forward. Carried-forward material has not acquired a new verification claim.

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