Card Security CodecardSecurityCode

Message inclusion

Baseline inclusion. Effective requirements depend on transaction context. Check the field’s conditions and FAQ qualifications; select channel and category in the explorer.

Conditional inclusion — source text

Conditional based on DS rules

Format and scope

Type: String · Length: Variable, 3–4 characters,

Source components

3DS Server

Device channels

01-APP, 02-BRW, 03-3RI

Message categories

01-PA, 02-NPA

Version history

Field introduction tag: 2.3.1.1. Introduction tags are curated metadata, not a full history of changes. Compare versions and understand coverage.

Source and review status

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 217

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

Official EMVCo specifications · Methodology and coverage limits