- Highway Code (Legislative Decree No. 285 of April 30, 1992) – Article 23 – Advertising on roads and vehicles.
- Highway Code (Legislative Decree No. 285 of April 30, 1992) – Article 26 – Competence for Permits and Concessions.
- Regulations for implementation and enforcement of the Highway Code (Presidential Decree of December 16, 1992, No. 495) – Articles: 47 to 59
