Onward Billing Project Transactions based on Fixed Price

The amounts you enter in 'Onward billing based on fixed price' will override the ones that are registered in the Sales/Invoicing and Product module.

How to re-bill based on fixed price

Click the Invoicing button to indicate the projects invoicing method. Select Onward billing based on fixed price from the drop-down list.
Click the Search button, if you want to register a bank account for this project.
If you leave this field empty, the account which is entered in the Account no. on invoices field under View - Settings - Company - Financial Settings will be used for the project invoices.
Read more about defining bank accounts Account Information.
Enter a Fixed text on invoice if you want all invoices for this project to have default text.
Click New to create a new line in the Invoicing plan. A new line is inserted where you can select Status and Amount as well as a Comment.
Click the Invoicing button to open the invoicing wizard.
Click the Search button in the wizard's first screen to select the contact (and company contact) you wish to create an order for. Click Next.
The lines you entered in the draft order are displayed in the Not included field. Select the line/lines you wish to invoice and click the arrow button that points to the right. Click Next.
Click Complete.

The order is now being created.

Invoiced total! The Invoiced total shows the total amount you can invoice for. You will receive a quick overview of the various amounts as well as being assured that the amount you enter in the Invoiced total is not overridden. The program will warn you if you try to invoice an amount higher than this.