To change your invoice numbering prefix, go to the invoice editor (>New invoice) and click >Choose next to the Invoice number:
A pop-up will open in which you can change the prefix and set your invoice numbering sequence. Please check our Invoice numbering article for more details.
Please note:
- You have to approve the invoice to save the new sequence
- If you save your invoice as a draft, you will need to repeat the steps above to update the new prefix
- It is NOT possible to change the prefix for already confirmed invoices