| 1.2.1. | The angles of geometric visibility shall be checked in accordance with paragraph 2.11. of this Regulation. The values measured for the angles shall be such that the individual specifications applicable to each lamp are fulfilled except that the limits of the angles may have an allowance corresponding to the ±3° variation permitted in paragraph 5.3. of this Regulation for the mounting of the light-signalling devices. | a0c0 |