European Directive 2014/45/EU indicates the legal framework for the member states regarding vehicle technical inspections (ITV in Spanish) . In the case of Spain, Article 8 of Royal Decree 920/2017, from 23 October, regulating the ITV in Spain, determines that for such purposes the technical criteria described in the Inspection Procedure Manual for ITV stations is to be followed. This manual develops the technical criteria to be applied to vehicle technical inspections provided in the current regulations, and is periodically