What format and length does EMV tag 9F27 use?

Tag 9F27 uses the Binary format and is normally 1 bytes long.

Is tag 9F27 provided by the card or the terminal?

Tag 9F27 (Cryptogram Information Data) is provided by the Card (ICC).

9F27

Cryptogram Information Data

CID

Indicates the cryptogram type returned by the card — bits 8-7: 00 = AAC (decline), 01 (0x40) = TC (approve offline), 10 (0x80) = ARQC (go online). Bitmap; full table pending (T-023).

Properties

Tag	9F27
Name	Cryptogram Information Data
Format	Binary
Length	1 bytes
Source	Card (ICC)
Templates	77, 80
Books	Book 3

Interactive decoder

Paste a hex value for this tag to decode it in your browser. Nothing is sent anywhere.

This tag is not a bitmap; the decoder shows a format-based interpretation.

Related tags

9F26

Frequently asked questions

What is EMV tag 9F27?: Indicates the cryptogram type returned by the card — bits 8-7: 00 = AAC (decline), 01 (0x40) = TC (approve offline), 10 (0x80) = ARQC (go online). Bitmap; full table pending (T-023).
What format and length does EMV tag 9F27 use?: Tag 9F27 uses the Binary format and is normally 1 bytes long.
Is tag 9F27 provided by the card or the terminal?: Tag 9F27 (Cryptogram Information Data) is provided by the Card (ICC).

Sources

EMV 4.4 Book 3, Annex A (Data Elements Dictionary) (page pending verification)

AID Parameter Table parser Public Key Table parser

All EMV tags

Receive site updates

Subscribe to receive site updates directly to your email

We won't send spam. You can unsubscribe at any time.