QUALIFIED ELECTRONIC SIGNATURE ON ELECTRONIC INVOICES IS MANDATORY
According to article nº 12 of DL 28/2019 of Portuguese Law, companies must guarantee authenticity of origin and integrity of invoices issued electronically.
Deadlines for adopting the signature of electronic invoices are as follows:
Public Administration since April 18, 2020 required to receive and process electronic invoices
Public Sector Suppliers:
- Until December 31, 2020> Large Companies
- Until June 30, 2021> Small and Medium Enterprises
- Until December 31, 2021> Microenterprises