| BB | Billback |
| CA | Cash |
| CI | Consolidated Invoice |
| CO | Corrected |
| CR | Credit Memo/Invoice |
| DR | Debit Memo/Invoice |
| DU | Duplicate |
| EB | Engineering Final Bill |
| EF | Engineering Installation, Right to Use, Final Bill |
| EI | Engineering Installation, Final Bill |
| ER | Engineering Right to Use, Final Bill |
| IB | Installation Final Bill |
| IF | Material, Engineering, Installation, Final Bill |
| IR | Installation, Right to Use, Final Bill |
| IU | Material, Installation, Right to Use, Final Bill |
| MC | Material Credit Invoice |
| ME | Memorandum |
| MF | Material, Engineering, Final Bill |
| MI | Material, Installation, Final Bill |
| MR | Material, Right to Use, Final Bill |
| MS | Material Final Bill |
| PB | Partial Bill |
| PR | Product (or Service) |
| RB | Right to Use |
| RE | Rebill |
| RF | Material, Engineering, Right to Use, Final Bill |
| UF | Material, Engineering, Installation, Right to Use, Final Bill |