ISO 20022 · External code set
Authentication method codes
Specifies the authentication method used, as published separately in an external authentication method code set. External code sets can be downloaded from www.iso20022.org.
| Code | Published name and definition |
|---|---|
ACSN | Acceptor Certificate Serial Number Serial Number of the acceptor's certificate. |
ADDB | Billing Address Cardholder billing address. |
ADDS | Shipping Address Shipping address. |
APKI | Account Digital Signature Account-based digital signature authentication. |
ARNB | Alien Registration Number Number assigned by a government agency to identify foreign nationals. |
ARPC | ARPC Response Card Cryptogram (ARPC) verification. |
ARQC | ARQC Verification of a cryptogram generated by a chip card, for instance an ARQC (Authorisation Request Cryptogram). |
ATCC | ATC Application Transaction Counter. |
AUVA | Authentication Value A value is used to verify an already performed authentication, used for non ThreeDS related authentication. |
BIOM | Biometry Biometric authentication of the cardholder. |
BTHD | Birth Date Date of birth of a person. |
CDCM | CDCVM Consumer Device Cardholder Verification Method. |
CDHI | Cardholder Identification Data Cardholder data provided for verification. |
CHDN | Cardholder Name Name of cardholder. |
CHSA | Cardholder Address Cardholder address. |
CHSN | Cardholder Certificate Serial Number Serial Number of the cardholder's certificate. |
CPNY | Company Registration Number Registration number of a company. |
CPSG | Signature Capture Electronic signature capture (handwritten signature). |
CSCV | CSC Verification Verification of Card Security Code. |
CSEC | Secure Electronic Commerce Authentication performed during a secure electronic commerce transaction. |
CUID | Customer Identification Customer number used as a mechanism of authentication. |
DRID | Driver License Number Number assigned by a driving license authority to a person. |
DRVI | Driver Identification Identification of a driver in a fleet of vehicles. |
EMAL | Email Electronic mail address. |
EMIN | Employee Identification Number Number assigned to an employee by an employer. |
EMRN | Employer Identification Number Number assigned to an employer by a registration authority. |
FBIG | Off Line Biographics Biographics authentication in an offline mode. |
FBIO | Off Line Biometrics Biometrics authentication in an offline mode. |
FCPN | Off Line PIN In Clear PIN generated offline and transmitted in clear |
FPIN | Offline PIN Off-line PIN authentication (Personal Identification Number). |
IDCN | Identity Card Number Number assigned by a national authority to an identity card. |
LAWE | Law Enforcement Identification Identification of law enforcement. |
MANU | Manual Verification Manual verification, for example passport or drivers license. |
MILI | Military Identification Identification of military. |
MOBL | Phone Mobile Customer mobile phone number. |
NBIG | On Line Biographics Biographics authentication in an online mode. |
NPIN | On Line PIN On-line PIN authentication (Personal Identification Number). |
NTID | National Identifer National Identifier. |
NVSC | Non Visible CSC Non visible Card Security Code. |
OCHI | Other Cardholder Identification Other cardholder data provided for identification. |
OFPE | Off Line PIN Encrypted PIN generated offline and transmitted encrypted. |
OLDA | Off Line Data Authentication Authentication of data in an offline mode. |
OLDS | Off Line Digitised Signature Analysis Analysis of signature transmitted offline. |
OTHN | Other National Other type of verification defined at national level. |
OTHP | Other Private Other type of verification defined at private level. |
OTPW | One Time Password Verification of a one-time password provided by the issuer. |
PASS | Passport Number Number assigned by a passport authority to a passport. |
PCDV | Postal Code Verification based on digits of the postal code. |
PHNB | Phone Number Generical phone number. |
PHOM | Phone Home Customer home phone number. |
PKIS | PKI Signature PKI (Public Key Infrastructure) based digital signature. |
PLOB | Place Of Birth Place of birth of a person. |
PPSG | Paper Signature Handwritten paper signature. |
PRXY | Proxy Proxy. |
PSCD | Passcode Authentication by a passcode. |
PSVE | Passive Authentication Authentication based on statistical cardholder behaviour. |
PSWD | Password Authentication by a password. |
PWOR | Phone Business Customer business phone number. |
QWAC | Qualified Certificate Qualified Certificate. |
SCNL | Secured Channel Channel-encrypted transaction. |
SCRT | Secure Certificate Electronic commerce transaction secured with the X.509 certificate of a customer. |
SHAF | Shipping Address From Shipping address from verification. |
SHAT | Shipping Address To Shipping address to verification |
SSYN | Social Security Number Number assigned by a social security agency. |
TAVV | Token Authentication Value A value used to validate the authorised use of a token. |
THDS | Three DS Authentication performed during a secure electronic commerce transaction. |
TRVL | Travel Identification Identification used for travel. |
TXID | Tax Identification Number Number assigned by a tax authority to an entity. |
Message references 52
Versions listed in the source workbook, including older versions. This list does not establish which messages a bank, network or provider supports.
Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.