Bitmap Elements

Table of Bitmap Elements

Bit	Name	Format	Attribute
1	Bit Map, Extended (0 –> 8 bytes, 1 –> 16 bytes)		b	1
2	Primary Account Number (CardHolder Number)	LLVAR	n	..19
3	Processing Code		n	6
4	Amount, Transaction		n	12
5	Amount, Settlement		n	12
6	Amount, CardHolder Billing		n	12
7	Transmission Date and Time	MMDDhhmmss	n	10
8	Amount, CardHolder Billing fee		n	8
9	Conversion rate, Settlement		n	8
10	Conversion rate, CardHolder Billing		n	8
11	System Trace Audit number (STAN)		n	6
12	Time, Local Transaction	hhmmss	n	6
13	Date, Local Transaction	MMDD	n	4
14	Date, Expiration (Card Expire date)	YYMM	n	4
15	Date, Settlement	MMDD	n	4
16	Date, Conversion	MMDD	n	4
17	Date, Capture	MMDD	n	4
18	Merchant's Type		n	4
19	Acquiring Institution Country		n	3
20	Primary Account Number Extended, Country Code		n	3
21	Forwarding Institution Country Code		n	3
22	Point Of Service Entry Mode (POS Entry Mode)		n	3
23	Card Sequence Number		n	3
24	Network International Identifier (NII)		n	3
25	Point Of Service Condition Code (POS Condition Code)		n	2
26	Point Of Service PIN Capture Code (POS PIN Capture Code)		n	2
27	Authorization Identification Response Length		n	1
28	Amount, Transaction Fee		x+n	8
29	Amount, Settlement Fee		x+n	8
30	Amount, Transaction Processing Fee		x+n	8
31	Amount, Settlement Processing Fee		x+n	8
32	Acquiring Institution Identification Code	LLVAR	n	..11
33	Forwarding Institution Identification Code	LLVAR	n	..11
34	Primary Account Number Extended	LLVAR	ns	..28
35	Track 2 data	LLVAR	z	..37
36	Track 3 data	LLLVAR	z	...104
37	Retrival Reference Number		an	12
38	Authorization Identification Response		an	6
39	Response Code		an	2
40	Service Restriction Code		an	3
41	Card Acceptor Terminal Identification (TID)		ans	8
42	Card Acceptor Identification Code (MID)		ans	15
43	Card Acceptor Name/Location		ans	40
44	Additional Response data	LLVAR	ans	..25
45	Track 1 data	LLVAR	ans	..76
46	Additional data – ISO	LLLVAR	ans	...999
47	Additional data – National	LLLVAR	ans	...999
48	Additional data – Private	LLLVAR	ans	...999
49	Currency code, Transaction		a or n	3
50	Currency code, Settlement		a or n	3
51	Currency code, CardHolder Billing		a or n	3
52	Personal Identification Number (PIN)		b	64
53	Security Related Control Information		b	16
54	Additional Amounts	LLVAR	an	..120
55	EMV Data	LLLVAR	ans	...999
56	Reserved, ISO	LLLVAR	ans	...999
57	Reserved, National	LLLVAR	ans	...999
58	Reserved, National	LLLVAR	ans	...999
59	Reserved, National	LLLVAR	ans	...999
60	Reserved, Private	LLLVAR	ans	...999
61	Reserved, Private	LLLVAR	ans	...999
62	Reserved, Private	LLLVAR	ans	...999
63	Reserved, Private	LLLVAR	ans	...999
64	Message Authentication Code Field (MAC)		b	64

Data Elementsopen in new window

Abbreviation	Meaning
a	Alpha, including blanks
n	Numeric values only
x+n	Numeric (amount) values, where the first byte is either 'C' to indicate a positive or Credit value, or 'D' to indicate a negative or Debit value, followed by the numeric value (using n digits)
s	Special characters only
an	Alphanumeric
as	Alpha & special characters only
ns	Numeric and special characters only
ans	Alphabetic, numeric and special characters.
b	Binary data
z	Tracks 2 and 3 code set as defined inopen in new window ISO/IEC 7813open in new window and ISO/IEC 4909 respectively
. or .. or ...	variable field length indicator, each . indicating a digit.
x or xx or xxx	fixed length of field, or maximum length in the case of variable length fields.

Build Format

LLVAR

This function below use on n, an, ans and z type

private fun llvarCodecType(data: String?, length: Int): String {
        // Find length from HEX string
        val dataLength = data!!.length / 2
        // Check length size less than max of bit
        if (dataLength <= length) {
            // Check mod 2
            return if (data.length.mod(2) != 0) {
                // If mod 2 not equal 0 to add F at last of data and add length of message
                (dataLength).toString() + data + "F"
            } else {
                // If mod 2  equal 0 to add length of message only
                (dataLength).toString() + data
            }
        } else {
            throw Exception("Data invalid format")
        }
}

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Example

Data: 410000000
Add F to mod 2 equal 0 : 410000000F
Add length: 05410000000F

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LLLVAR

This function below use on n, an, ans and z type

 private fun lllvarCodecType(data: String?, length: Int): String {
       // Find length from HEX string
        val dataLength = data!!.length / 2
        // Check length size less than max of bit
        if (dataLength <= length) {
            return if (dataLength.mod(2) != 0) {
                // If mod 2 not equal 0 to add F at last of data and add length of message
                (dataLength).toString().padStart(4, '0') + data + "F"
            } else {
                // If mod 2  equal 0 to add length of message only
                (dataLength).toString().padStart(4, '0') + data
            }
        } else {
            throw Exception("Data invalid format")
        }
}

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Example

Data: 410000000
Add F to mod 2 equal 0 : 410000000F
Add length: 0005410000000F

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# Bitmap Elements

# Table of Bitmap Elements

# Data Elementsopen in new window

# Build Format