Artikel 19

1. Every motor vehicle shall display at least at the back on a special plate or on the vehicle itself, a registration number issued or allotted by the competent authority. In the case of a motor vehicle drawing one or more trailers the single trailer or the last trailer shall display the registration number of the drawing vehicle or its own registered number.
2. The composition of the registration number and the manner in which it is displayed shall be as set out in Annex 3.