Series and folios
How Toldo numbers your CFDIs: one series for invoices, another for global invoices and another for credit notes, with folios that are never reused.
This feature is rolling out: we're turning it on in stages with our founding partners. What this guide describes may change before general availability.
In short
Toldo numbers your CFDIs with one series per document type: F for invoices, G for global invoices (factura global) and NC for credit notes (CFDI de egreso). The folio is assigned at the moment of stamping and is never reused, even if the invoice is canceled. The folio fiscal (UUID) is something else: the PAC assigns it at stamping.
The series
| Series | Document |
|---|---|
| F | Invoices (CFDI de ingreso) in your customers' names |
| G | Global invoices (factura global), to the general public (público en general) |
| NC | Credit notes (CFDI de egreso) |
These are the default series. You'll find them in the CFDI invoicing settings.
How folios are assigned
- At stamping. Toldo assigns the next folio in the series at the moment of stamping, in a single operation, so two invoices never get the same number.
- Never reused. A canceled invoice keeps its folio. If you replace it, the new invoice gets a new folio.
Series and folio aren't the same as the folio fiscal
- The series and folio (for example, F-1024) are your internal numbering. They help you sort and find your invoices.
- The folio fiscal, or UUID, is assigned by the PAC at stamping. It's the identifier the SAT uses, and the one you cite when you relate or cancel an invoice.
Frequently asked questions
Why does my canceled invoice still take up its folio?
Because folios are never reused. That way your numbering has no duplicates and every invoice can be traced.
Where do I see the folio fiscal?
In the PDF and the XML of every stamped invoice, and in the invoice details in Toldo.
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