1.In the event of breakdown or faulty operation of the equipment, the employer shall have it repaired by an approved fitter or workshop, as soon as circumstances permit.
If the vehicle is unable to return to the premises within a period of one week calculated from the day of the breakdown or of the discovery of defective operation, the repair shall be carried out en route.
Measures taken by Member States pursuant to Article 19 may give the competent authorities power to prohibit the use of the vehicle in cases where breakown or faulty operation has not been put right as provided in the foregoing subparagraphs.
[F12. While the recording equipment is unserviceable or malfunctioning, drivers shall mark on the record sheet or sheets, or on a temporary sheet to be attached to the record sheet or to the driver card, on which he shall enter data enabling him to be identified (driver's card number and/or name and/or driving licence number), including his signature, all information for the various periods of time which are no longer recorded or printed out correctly by the recording equipment.
If a driver card is damaged, malfunctions or is lost or stolen, the driver shall, at the end of his journey, print out the information relating to the periods of time recorded by the recording equipment and mark on that document the details that enable him to be identified (the driver card number and/or name and/or driving licence number), including his signature.]
[F23. If a driver card is damaged or if it malfunctions, the driver shall return it to the competent authority of the Member State in which he has his normal residence. Theft of the driver card shall be the subject of a formal declaration to the competent authorities of the State where the theft occurred.
Loss of the driver card must be reported in a formal declaration to the competent authorities of the State that issued it and to the competent authorities of the Member State of normal residence where they are different.
The diver may continue to drive without a driver card for a maximum period of 15 calendar days or for a longer period if this is necessary for the vehicle to return to its premises, provided he can prove the impossibility of producing or using the card during this period.
Where the authorities of the Member State in which the driver has his normal residence are different from those which issued his card and where the latter are requested to renew, replace or exchange the driver card, they shall inform the authorities which issued the old card of the precise reasons for its renewal, replacement or exchange.]