Portugal : e-Signature required on all PDF invoices (exception due to Corona till 30.6.2022)


According to the Portuguese Law, in order to issue electronic invoices:  “the taxable persons must assure the authenticity of the origin, the integrity of the content and the legibility of an invoice, from the point in time of issue until the end of the period for storage of the invoice, by means of any business control that creates a reliable audit trail between the invoice and the supply of goods or services.

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