Paragraph 2A F1

The number shown outside and on the right of the circle in any such marking will be varied, where appropriate, so as to be the number assigned by the competent authority of a Contracting State to each type approved. The said number will be close to and outside the circle in such a position relative thereto as may be authorised by the relevant ECE Regulation, so however that it shall be read in the same direction as the number inside the circle.