Every final invoice can be credited. A credit invoice is a complete correction of a final invoice. You can't partly credit an invoice.
To create a credit invoice, select the invoice that you want to correct via the ' Invoice ' screen:
The invoice will now be opened. You can click now on ' Create credit invoice.'
The credit invoice is now created in draft. In the top left corner it is displayed for which invoice the credit invoice is made:
When you click on finalize, the credit invoice will be finalized and the original invoice is credited. The credit invoice also has received a consecutive number:
The written time and the disbursements that were billed on the original invoice are transferred to the ' Work in progress ' and are available for a next action (this could be a new invoice, write off or move to a different matter)