F-124 Reserved Private-Second Card Cardholder Data
Description
This field contains Second Card Cardholder Data fields. (Second card cardholder data should only be specified for specific scenarios, such as when dual fleet cards participate in a single transaction.)
Note that Second Card Cardholder Data fields are classified as Clear or Encrypted:
- Clear fields should only be used when CHD is NOT encrypted.
- Encrypted fields should only be used when CHD is encrypted using P2PE / DUKPT or other encryption schemes. (See F-60 Security Data, subfield Encryption Mode for identification of encryption scheme used.)
This is a TLV (Tag/Length/Value) encoded field, in LLLTLV format.
Attributes
V 999
Format
LLLTLV
Subfield | Description | Tag | Attribute | DUKPT Key | Conditions |
Clear Second Card Track 2 Data | Second Card Track 2 Data (non-encrypted CHD only). | CT2 | Pz ..37 |
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Encrypted Second Card Track 2 Data | Second Card Track 2 Data encrypted using the encryption method identified in Security Data (encrypted CHD only). Note: This data should be encoded in ASCII prior to encrypting. | ET2 | b ..999 (up to overall field capacity) | P2PE |
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- F-124 Reserved Private-Second Card Cardholder Data