# CRP20116

Source: https://xmlvalid.com/rules/CRP20116

> El valor del campo ClaveUnidad debe ser "ACT".

- 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[@TipoDeComprobante = 'P']/cfdi:Conceptos/cfdi:Concepto`
- Test: `@ClaveUnidad = 'ACT'`

In English: The Concepto of a payment receipt has ClaveUnidad ACT.

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