Summary of Field Usage

Message Type

N 4

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

Primary Bitmap

b 64

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

1

Secondary Bitmap

b 64

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

2

Primary Account Number

LLVARN..19

Mandatory if Track 2 n/a.

C

C

C

C

C

C

-

C

-

-

C

-

C

C

-

-

-

-

3

Processing Code

N 6

M

M

M

M

M

M

-

-

-

-

-

-

M

M

-

-

M

M

4

Transaction Amount

N 12

M

M

M

M

M

M

-

M

-

-

-

-

M

M

-

-

-

-

6

Cardholder Billing Amount

N 12

Mandatory if DCC used.

C

C

C

C

C

C

-

-

-

M

-

-

C

C

-

-

-

-

10

Conversion Rate

N 10

Mandatory if DCC used.

C

C

C

C

C

C

-

-

-

-

-

-

C

C

-

-

-

-

11

STAN

N 6

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

12

Transaction Date and Time

N 12

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

14

Card Expiry Date

N 4

Mandatory if Track 2 n/a.

C

-

C

-

C

-

-

-

-

-

-

-

C

C

-

-

-

-

22

POS Data Code

an 12

M

-

M

-

M

-

-

M

-

-

M

-

-

-

-

-

-

-

24

Function Code

N 3

-

-

-

-

M

-

-

-

-

-

-

-

M

M

M

M

M

-

25

Reason Code

N 4

-

-

-

-

M

-

-

-

-

-

-

-

M

M

-

-

-

-

28

Reconciliation Date

N 6

M

M

M

M

M

M

-

-

-

-

-

-

M

M

M

M

-

-

29

Reconciliation Number

N 3

M

M

M

M

M

M

-

-

-

-

-

-

M

M

M

M

-

-

32

ACQ ID Code

LLVARN..11

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

O

-

35

Track 2 Data

LLVARs..37

Mandatory if Mag/EMV read.

C

-

C

-

C

-

-

-

-

-

-

-

C

-

-

-

-

-

37

RRN

an 12

M

M

M

M

M

M

M

M

M

M

M

M

M

M

-

-

-

-

38

Approval Code

ans 6

Mandatory in advices, and if transaction approved.

Response may contain ISO field number of invalid field.

C

C

C

C

C

C

-

-

C

-

-

-

M

C

-

C

-

-

39

Response Code

N 3

-

M

-

M

-

M

-

-

M

M

M

-

M

-

M

-

-

41

POS Terminal ID

n 8

M

M

M

M

M

M

M

M

M

-

M

-

M

M

M

-

O

-

42

Card Acceptor ID

an 15

M

M

M

M

M

M

M

M

M

-

M

-

M

M

M

-

O

-

43

Payment Facilitator / Card Acceptor Location Name and Address

LLVARan…99

Mandatory for Payment Facilitator transactions.

C

C

C

C

C

C

-

-

-

-

-

-

C

C

-

-

-

-

44

Additional Response Data

LLVARan…99

See Field Description.

-

-

C

-

-

-

-

-

-

-

-

-

-

-

-

-

-

48

Additional Private Data

LLLVARn...999

M

M

M

M

M

M

-

-

-

M

-

-

M

M

-

-

-

-

49

Transaction Currency Code

N 3

M

M

M

M

M

M

-

M

-

-

-

-

M

M

-

-

-

-

50

Reconciliation Currency Code

N 3

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

51

Cardholder Billing Currency Code

N 3

Mandatory if DCC used.

C

C

C

C

C

C

-

-

-

M

-

-

C

C

-

-

-

-

52

PIN Data (PAC)

b 64

Mandatory if Online PIN used.

C

-

C

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

53

Security Related Information

an 16

Mandatory if online PIN is used, except where DUKPT information is supplied in Field 63, Tag 01.

C

-

C

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

54

Amount, Other

LLLVARans….120

Mandatory for cashback and partial approvals.

C

C

C

C

-

-

-

-

-

-

-

-

-

-

-

-

-

-

55

ICC Data

LLLVARb...999

Mandatory in all transactions where chip-card is present.

C

C

C

C

C

C

-

-

-

-

-

-

C

C

-

-

-

-

60

Reserved Private Data

LLLVARb...999

M

-

M

-

M

-

C

M

-

-

M

-

M

-

-

-

-

-

61

Reserved Private Data II

LLLVARb…999

Mandatory if 1 or more sub-elements supported.

C

-

C

-

C

-

-

C

-

-

-

-

C

-

-

-

-

-

63

Reserved Private Data III

LLLVARb...999

Mandatory if 1 or more sub-elements supported.

C

-

C

-

C

-

C

-

-

M

M

M

C

C

C

-

C

-

64

MAC

b 32

Mandatory if MAC processing supported.

O

O

O

O

O

O

-

-

-

-

-

-

O

O

-

-

-

-

74

Credits, Number

N 10

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

75

Credit Reversals, Number

N 10

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

76

Debits, Number

N 10

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

77

Debit Reversals, Number

N 10

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

86

Credits, Amount

N 16

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

87

Credit Reversals, Amount

N 16

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

88

Debits, Amount

N 16

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

89

Debit Reversals, Amount

N 16

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

97

Net Settlement Amount

x+N 16

-

-

-

-

-

-

-

-

-

-

-

-

-

-

M

M

-

-

Conditional

Mandatory

Optional

Indicates a decimal digit which results in the number becoming a valid ISO 8583 message type: e.g. 010x indicates 0100, 0101 etc.