| Class | _ConfirmationModel | No class docstring; 1/12 methods documented |
| Class | _SaleConfirmationModel | Undocumented |
| Class | _PurchaseConfirmationModel | Undocumented |
| Class | _LonelyConfirmationModel | Undocumented |
| Class | _InstallmentConfirmationSlave | This slave is responsible for confirming a list of payments and |
| Class | SaleInstallmentConfirmationSlave | Undocumented |
| Class | PurchaseInstallmentConfirmationSlave | Undocumented |