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POS entry mode · ISO 8583 DE 22 · EMV tag 9F39

91Contactless magnetic stripe

What does POS entry mode 91 mean?

Contactless magnetic stripe. A contactless transaction that used the card’s magnetic-stripe-mode application (Visa MSD, Mastercard contactless mag-stripe) instead of EMV mode; the track data includes a dynamic CVV (dCVV/CVC3).

Tag 9F39 value
91
DE 22 values
910 · 911 · 912
Defined by
Visa, Mastercard
PIN digit options
0, 1, 2, 3, 8

What it means for the transaction

  • Being retired: most networks and regions require EMV contactless (07) instead.
  • No ARQC; card authentication relies on the dynamic CVV.

How 91 appears in DE 22

In field 22 of ISO 8583:1987 and of the Visa and Mastercard formats, the first two digits are the PAN entry mode and the third is the terminal's PIN entry capability. EMV tag 9F39 carries only the two-digit entry mode. (ISO 8583:1993 replaced field 22 with a 12-character POS data code.)

DE 22Meaning
910Contactless magnetic stripe · PIN entry capability unknown
911Contactless magnetic stripe · Terminal can accept PIN
912Contactless magnetic stripe · Terminal cannot accept PIN

Decode any value

Paste a 2-digit tag 9F39 value or a 3-digit DE 22 value to decode both the entry mode and the PIN capability digit.

Open the POS Entry Mode Decoder

Related codes

07Contactless chip (EMV contactless)90Magnetic stripe read, full track data

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