# CFDI40134

Source: https://xmlvalid.com/rules/CFDI40134

> El campo Meses, no contiene alguno de los valores "01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11" o "12".

- Level: error
- Rule sets: SAT validations of CFDI 4.0 and Pagos 2.0 Matrices of 25 March 2026 and Pagos 2.0 rev. B
- Context: `/cfdi:Comprobante/cfdi:InformacionGlobal`
- Test: `@Periodicidad = '05' or @Meses = ('01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12')`

In English: In a global invoice with a periodicity other than 05, Meses must be a month, 01 to 12.

Validate a document against these rules: https://xmlvalid.com/validate