Invoicing prepayments in the online accounting mKsiegowa.pl is available in the module sale. The screen is used to:
- Advance invoicing
- Final invoicing
Depending on the situation, an icon appears in the document order/pro-form.
If the conditions are met, you can issue a pre-invoice (registered partial or overall payment from the client, the icon appears, as in the following example:
If, in turn, is satisfied that it can issue a final invoice (not invoiced advance), then the icon will appear on the final invoice, as in this example:

Prepaid billing (invoice payments) is supported in mKsiegowa.pl as a whole string of documents necessary for the proper posting and settlement advances.
The correct sequence of documents is as follows:
- Issuing Sales Order (pro-forma invoice)
- Acceptance payment from the client
- Invoicing advances
- edition goods WZ (it is not necessary and often does not apply in the case of services, although you can use the document as a statement of the service )