Digital Single Market is the new political goal that promotes the creation of digital solutions to support the European Union’s evolution. It is believed to be one means by which the EU can attract investments from new IT tools’ economic agents. For that purpose, the European Union settled various interoperability measures so that both Member States and European institutions were able to set the example on how digital tools are important and one of Union’s goals. In this particular setting, the European Union engaged the ISA2 programme to promote interoperability solutions for Public Administrations, citizens and companies which aimed to bring more transparency to those relationships established between Public Administrations (both...