| 1 | MNSZIP10 | 10 | ZIP+ZIP4 | |
| 2 | MNSZIP4 | 4 | Plus Four, New ZIP + 4 or standardized ZIP + 4 | |
| 3 | MNSDPBC | 2 | Delivery Point Bar Code, New DPBC or standardized DPBC | |
| 4 | MNSCHKDIG | 1 | New check digit or standardized check digit | |
| 5 | MNSRRT | 4 | Carrier Route Code, New CART or standardized CART | |
| 6 | MNSLOT | 4 | Line of Travel Number, New LOT code or standardized LOT | |
| 7 | MNSLOTORD | 1 | LOT Alpha (A for Ascending Order or D for Descending Order) | |
| 8 | MNSERRSTAT | 4 | Record status code | |
| 9 | MNSCTNBRFL | 1 | Break mark on first and last packages in container | |
| 10 | MNSCTNABS | 6 | Container Number | |
| 11 | MNSPCABS | 10 | Mail Piece Number | |
| 12 | MNSENDRS | 23 | Endorsement | |
| 13 | MNSPKGBRFL | 1 | Break mark on first and last pieces in package | |
| 14 | MNSPKGABS | 7 | Package Number | |
| 15 | MNSTRAYPR | 1 | Method of Tray Preparation | |