LDP Participation and Tracking File Layout
| Position Start | Position End | Description | Field |
| 1 | 12 | Primary Date of Birth | ENDTOB |
| 13 | 28 | Co-Borrower Date of Birth | ENDTOB |
| 29 | 53 | Branch Code | NABRCH |
| 54 | 73 | Lender | LOOFCR |
| 74 | 98 | Package / Disability / Securian / No Protect | LOCDCLTP |
| 99 | 113 | Loan Type / Credit Card / Real Estate | LOTYPE |
| 114 | 128 | Eligible A / Original Loan Balance | LOOBAL |
| 29 | 53 | Credit Union Name | |
| 54 | 73 | Constant | |
| 74 | 98 | Life LRCL |