Legal framework
According to Article 54(1) and (2) of Law 96/2015 of 17 August, which regulates the provision and use of electronic public procurement platforms.
“1 – Documents submitted to the electronic platform by contracting entities and economic operators must be signed using a qualified electronic signature, in accordance with paragraphs 2 to 6.
2 – Documents drawn up or completed by contracting entities or economic operators must be signed using their own qualified electronic signature certificates or those of their legal representatives.”
