The absence of a disk in the tachograph is a road offense. Only these discs are officially recognized as the proof of the driving hours, as long as they are used correctly. However, some vehicles are exempted from the use of the tachograph (
Article 13 of Regulation EC No 561/2006 of the European Parliament and of the Council - click on the article to access its contents). A European regulation was issued in 2014 on this device, click on the following link to access it:
Regulation No 165/2014 of the European Parliament and of the Council .