SAP SD (Sales & Distribution) Billing Document
| Method | SAP Transaction | Description |
| CREATE | VF01 | Create a Billing Document. |
| READ | VF03 | Load a Billing Document based on the Billing Document Number. |
| DELETE | VF02 | Mark a Billing Document for deletion. |
| READ_ADDITIONAL_DATA | VA03 | Read additional data from a Billing Document. |
