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# ARCMxxx - Customer Method of Payment

The Customer Method of Payment Defaults file contains information about credit cards that a customer uses for transactions.

This file is an encrypted file, starting with version 7.5.

| Template: | DIM ARCM:"CUST:C(6*), MOP:C(3*), CDNO:C(20*), CDNAM:C(25*), EXMON:N(2), EXYR:N(4*), LAST4:C(5*), ISVA:C(1*), ISVN[2]:N(1*)"
| IOLIST: | 0999 ARCMXXX: IOLIST CM0$, CM1$, CM2$, CM3$, CM4$, CM5$, CM99$[ALL], CM99[ALL]
| Array Sizes: | DIM CM99$[0], CM99[1]
| String Sizes: | DIM CM0$(6), CM1$(3), CM2$(20), CM3$(25), CM5$(5)

Key Definitions

| Key Number | Field | Description
| 0 | [1:1:6] + | Customer ID +
|  | [2:1:3] + | Payment Method +
|  | [3:1:20] | Card Number
| 1 | [2:1:3] + | Payment Method +
|  | [1:1:6] + | Customer ID +
|  | [3:1:20] | Card Number
| 2 | [2:1:3] + | Payment Method +
|  | [1:1:6] + | Customer ID +
|  | [6:1:5] | Last 4 digest of Credit Card Num
|  | __________ |
|  | 9 segments |

Customer Method of Payment

| File Name: | ARCMxxx | Record Size: | 77(128)
| File Type: | Mkeyed - Dynamic | Number of Keys: | 3

| Field | Field Name | Variable | Description | A/N | Length | Note
| 1 | CUST | CM0$ | Customer ID | A | 6 |
| 2 | MOP | CM1$ | Payment Method | A | 3 |
| 3 | CDNO | CM2$ | Card Number | A | 20 |
| 4 | CDNAM | CM3$ | Cardholder's Name | A | 25 |
| 5(1,2) | EXMON | CM4$(1,2) | Expiration Month | N | 2 |
| 5(3,4) | EXYR | CM4$(3,4) | Exipration Year | N | 4 |
| 6 | LAST4 | CM5$ | Last 4 digest of Credit Card Num | A | 5 | "*" + Last 4
| 7 | ISVA | CM99$[0] | Reserved for ISV | A | 1 |
| 8 | ISVN[1] | CM99[0] | Reserved for ISV | N | 1 |
| 9 | ISVN[2] | CM99[1] | Reserved for ISV | N | 1 |