A "directive" in the European Union isn't a strict regulation. Rather a directive is a legislative act that sets out a goal for all that all EU states to achieve. Yet, it is up to each individual nation in the EU to decide how they will meet that goal. The Stanca law legislative decree no 106 updates Law 4/2004 to be Italy's answer to the EU directive.
The Web Accessibility Directive (Directive (EU) 2016/2102) requires that public sector organizations' websites and apps follow WCAG. The EU issued the web accessibility directive with a 2025 deadline for member states. The Web Accessibility Directive is the complement to the EU's European Accessibility Act.