Brand-Specific Note

Tag 9F6E is used differently depending on the Card Brand. Visa Visa refers to the data as Form Factor Indicator (FFI), 4 bytes, with Byte 4 indicating the Form Factor. MasterCard MasterCard refers to the data as Third-Party Data, with FFI (Payment Initiation Channel) indicated in Bytes 5 and 6. American Express American Express refers to the data as Enhanced Contactless Reader Capabilities (ECRC), 4 bytes, as defined in EMVCo Book C-4. The decoder below is for the Amex ECRC.

The decoder below applies to the American Express Enhanced Contactless Reader Capabilities (ECRC) format, as defined in EMVCo Book C-4. For Visa FFI or MasterCard Third-Party Data, byte definitions may differ.