How do I delete an invoice numbering scheme?
An invoice numbering scheme can be deleted only if there is no associated document. Before deleting it, you must delete all the documents saved using that numbering scheme.
Read more about invoices deletion here: how do I delete an invoice.
Numbering schemes deletion is made from the main menu ‘Configurations’ – ‘Numbering schemes’. Only the erasable numbering schemes will have the deletion button.