Challenge Cancel Values

Value	Description
01	Cardholder selected “Cancel”
02	Reserved for future EMVCo use (values invalid until defined by EMVCo)
03	Transaction Timed Out—Decoupled Authentication
04	Transaction Timed Out—other timeouts
05	Transaction Timed Out—First CReq not received by ACS.
06	Transaction error
07	Unknown
08	Transaction timed out at SDK
09-79	Reserved for future EMVCo use (values invalid until defined by EMVCo.)
80-99	Reserved for future DS use

Note: Values are based on EMVCo 2.2.0 specification. Values and definitions may vary in other specifications.