Mastercard purchase transaction type

Type	Description
A1	EMV/Token in a Secure
A2	Digital Transactions - Card and/or Cardholder Not Present
B1	EMV/Chip Equivalent - Card and Cardholder Present
B2	Authenticated Checkout - Card and/or Cardholder Not Present
C1	Magnetic Stripe - Card and Cardholder Present
C2	Transaction Validation - Card and/or Cardholder Not Present
D2	Enhanced Data - Card and/or Cardholder Not Present
E1	Key Entered - Card and Cardholder Present
E2	Generic Messaging - Card and/or Cardholder Not Present
U0	Unclassified - Card and Cardholder Present or Cardholder Not Present