Experian Member File Layout
| Position Start | Position End | Description | Field |
| 1 | 12 | Constant | |
| 13 | 27 | Last Name | ENLAST |
| 28 | 41 | First Name | ENFRST |
| 42 | 42 | Middle Name | ENMIDD |
| 43 | 44 | Constant | |
| 45 | 51 | Constant | |
| 52 | 54 | Constant | |
| 55 | 74 | Address Line 1 | ADADD1 |
| 75 | 82 | Constant | |
| 83 | 97 | City | ADCITY |
| 98 | 99 | State | ADSTAT |
| 100 | 104 | Zip Code | ADZIP1 |
| 105 | 113 | Tax ID | ENTAXID |