Article 21

To address cases where a Member State considers that there has been an infringement of this Regulation which is of a kind that is clearly liable to endanger road safety, it shall empower the relevant competent authority to proceed with immobilisation of the vehicle concerned until such time as the cause of the infringement has been rectified. Member States may compel the driver to take a daily rest period. Member States shall, where appropriate also withdraw, suspend or restrict an undertaking's licence, if the undertaking is established in that Member State, or withdraw, suspend or restrict a driver's driving licence. The Commission, acting in accordance with the procedure in Article 24(2) shall develop guidelines with a view to promoting a harmonised application of this Article.