The optional Billing module assists the person responsible for the project with issuing a quotation and invoicing. Furthermore, order confirmations, external invoices and cash flow can be administered here.

The module consists of the following input masks:

2.4.01 Offer
2.4.02 Offer Position
2.4.03 Order Confirmation
2.4.04 Order Confirmation Position
2.4.05 Contract
2.4.06 Contract Position
2.4.07 Payment Plan
2.4.08 Eingangsrechnung|2.4.08 Foreign Invoice(Incoming Invoice)
2.4.09 Eingangsrechnungsposition|2.4.09 Foreign Invoice Position
2.4.10 Outgoing Payment
2.4.11 Invoices
2.4.12 Invoice Position
2.4.13 Incoming Payment