Invoice numbering without gaps

There shall be no gaps in invoice numbering. Use this module to recover invoice numbers from cancelled invoices.

This is especially useful when you would like to issue a new invoice that stems from a new sales order and assign it a number from some cancelled invoice. Remember that the invoice date is also transferred.

Usage

There is a new button "Reuse cancelled invoice number" on the invoice form. It is visible only if:

• there is any cancelled invoice with nonempty internal_number,
• invoice is in draft state.

The button triggers a wizard with a list of cancelled invoices that have their internal_number field set. After the user makes a selection, its number and date will be used as the number and the date for the current invoice.