comprobantes

In a sentence

• Necesito recopilar todos los comprobantes fiscales para la declaración de impuestos.

  I need to gather all the fiscal receipts for the tax declaration.

  Here, 'comprobantes' is used to refer to official proof or documents, specifically fiscal receipts or vouchers.

• El profesor pidió comprobar nuestras actividades con los comprobantes apropiados antes de validarlas.

  The professor asked to verify our activities with the appropriate evidence before validating them.

  In this context, 'comprobantes' refers to evidence or supporting documents used for verification.

• Los comprobantes de compra deben ser guardados en caso de necesitar un reembolso.

  Purchase receipts should be kept in case a refund is needed.

  This sentence uses 'comprobantes' to denote purchase receipts which act as proof of a transaction.