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 setExternalAuthenticationMethod1Code
All 68 codes
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| Code | Published name and definition |
|---|---|
ACSN | Acceptor Certificate Serial NumberDefinitionSerial Number of the acceptor's certificate. |
ADDB | Billing AddressDefinitionCardholder billing address. |
ADDS | Shipping AddressDefinitionShipping address. |
APKI | Account Digital SignatureDefinitionAccount-based digital signature authentication. |
ARNB | Alien Registration NumberDefinitionNumber assigned by a government agency to identify foreign nationals. |
ARPC | ARPCDefinitionResponse Card Cryptogram (ARPC) verification. |
ARQC | ARQCDefinitionVerification of a cryptogram generated by a chip card, for instance an ARQC (Authorisation Request Cryptogram). |
ATCC | ATCDefinitionApplication Transaction Counter. |
AUVA | Authentication ValueDefinitionA value is used to verify an already performed authentication, used for non ThreeDS related authentication. |
BIOM | BiometryDefinitionBiometric authentication of the cardholder. |
BTHD | Birth DateDefinitionDate of birth of a person. |
CDCM | CDCVMDefinitionConsumer Device Cardholder Verification Method. |
CDHI | Cardholder Identification DataDefinitionCardholder data provided for verification. |
CHDN | Cardholder NameDefinitionName of cardholder. |
CHSA | Cardholder AddressDefinitionCardholder address. |
CHSN | Cardholder Certificate Serial NumberDefinitionSerial Number of the cardholder's certificate. |
CPNY | Company Registration NumberDefinitionRegistration number of a company. |
CPSG | Signature CaptureDefinitionElectronic signature capture (handwritten signature). |
CSCV | CSC VerificationDefinitionVerification of Card Security Code. |
CSEC | Secure Electronic CommerceDefinitionAuthentication performed during a secure electronic commerce transaction. |
CUID | Customer IdentificationDefinitionCustomer number used as a mechanism of authentication. |
DRID | Driver License NumberDefinitionNumber assigned by a driving license authority to a person. |
DRVI | Driver IdentificationDefinitionIdentification of a driver in a fleet of vehicles. |
EMAL | EmailDefinitionElectronic mail address. |
EMIN | Employee Identification NumberDefinitionNumber assigned to an employee by an employer. |
EMRN | Employer Identification NumberDefinitionNumber assigned to an employer by a registration authority. |
FBIG | Off Line BiographicsDefinitionBiographics authentication in an offline mode. |
FBIO | Off Line BiometricsDefinitionBiometrics authentication in an offline mode. |
FCPN | Off Line PIN In ClearDefinitionPIN generated offline and transmitted in clear |
FPIN | Offline PINDefinitionOff-line PIN authentication (Personal Identification Number). |
IDCN | Identity Card NumberDefinitionNumber assigned by a national authority to an identity card. |
LAWE | Law Enforcement IdentificationDefinitionIdentification of law enforcement. |
MANU | Manual VerificationDefinitionManual verification, for example passport or drivers license. |
MILI | Military IdentificationDefinitionIdentification of military. |
MOBL | Phone MobileDefinitionCustomer mobile phone number. |
NBIG | On Line BiographicsDefinitionBiographics authentication in an online mode. |
NPIN | On Line PINDefinitionOn-line PIN authentication (Personal Identification Number). |
NTID | National IdentiferDefinitionNational Identifier. |
NVSC | Non Visible CSCDefinitionNon visible Card Security Code. |
OCHI | Other Cardholder IdentificationDefinitionOther cardholder data provided for identification. |
OFPE | Off Line PIN EncryptedDefinitionPIN generated offline and transmitted encrypted. |
OLDA | Off Line Data AuthenticationDefinitionAuthentication of data in an offline mode. |
OLDS | Off Line Digitised Signature AnalysisDefinitionAnalysis of signature transmitted offline. |
OTHN | Other NationalDefinitionOther type of verification defined at national level. |
OTHP | Other PrivateDefinitionOther type of verification defined at private level. |
OTPW | One Time PasswordDefinitionVerification of a one-time password provided by the issuer. |
PASS | Passport NumberDefinitionNumber assigned by a passport authority to a passport. |
PCDV | Postal CodeDefinitionVerification based on digits of the postal code. |
PHNB | Phone NumberDefinitionGenerical phone number. |
PHOM | Phone HomeDefinitionCustomer home phone number. |
PKIS | PKI SignatureDefinitionPKI (Public Key Infrastructure) based digital signature. |
PLOB | Place Of BirthDefinitionPlace of birth of a person. |
PPSG | Paper SignatureDefinitionHandwritten paper signature. |
PRXY | ProxyDefinitionProxy. |
PSCD | PasscodeDefinitionAuthentication by a passcode. |
PSVE | Passive AuthenticationDefinitionAuthentication based on statistical cardholder behaviour. |
PSWD | PasswordDefinitionAuthentication by a password. |
PWOR | Phone BusinessDefinitionCustomer business phone number. |
QWAC | Qualified CertificateDefinitionQualified Certificate. |
SCNL | Secured ChannelDefinitionChannel-encrypted transaction. |
SCRT | Secure CertificateDefinitionElectronic commerce transaction secured with the X.509 certificate of a customer. |
SHAF | Shipping Address FromDefinitionShipping address from verification. |
SHAT | Shipping Address ToDefinitionShipping address to verification |
SSYN | Social Security NumberDefinitionNumber assigned by a social security agency. |
TAVV | Token Authentication ValueDefinitionA value used to validate the authorised use of a token. |
THDS | Three DSDefinitionAuthentication performed during a secure electronic commerce transaction. |
TRVL | Travel IdentificationDefinitionIdentification used for travel. |
TXID | Tax Identification NumberDefinitionNumber 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.