3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Operation Prior Transaction ReferenceopPriorTransRef

Operation Prior Transaction Reference in Operation Request (OReq).

Source edition: Core 2.3.1.1 · Type: Object

Baseline in OReq Optional

Baseline from the published source; transaction-context evaluation is unavailable for this field. Usage and conditions ↓

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Usage in OReq

This data element provides additional information enabling the recipient to reference a prior transaction.

Format and scope

Type: Object

Source components: DS. Channels: Not specified. Categories: Not specified.

Object members

Nested presence rules apply when the parent is supplied. Consult the source for full conditions.

opStatus — Operation Message

ValueMeaningIntroduction tag
01Successfully received messagesNot tagged
02Message sequence is brokenNot tagged
03Requested action is not supported or not executed by the 3DS Server or ACS when OReq message was receivedNot tagged
04–79Reserved for EMVCo future use (values invalid until defined by EMVCo)Not tagged
80–99Reserved for DS useNot tagged

Introduction tags are shown where recorded. An absent tag does not establish when a value was introduced.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 268

Scoped FAQ qualifications

  • FAQ 27 — Applicable object-bearing protocol versions

    Only when the parent JSON object is present

    Evaluate nested presence conditions when the parent object is present. In multiTransaction, merchantList is required when the object is supplied; merchantAmount remains optional.

    EMVCo_3DS_Specification_FAQs_8-April-2026.pdf, page 9

  • FAQ 73 — Applicable object-bearing protocol versions

    An optional or conditionally optional field is sent empty

    An empty optional field produces error 203 under Req 309. When the empty JSON object contains mandatory data, error 201 may be returned.

    EMVCo_3DS_Specification_FAQs_8-April-2026.pdf, page 23

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 268

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

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