Point detail

Linearity:  the part of the "cut-off" line which serves for vertical adjustment shall be horizontal from 3°L to 3°R of the V-V line.  This requirement is deemed to be met if the vertical positions of the inflection points according to paragraph 3.2. above at 3° left and right of the V-V line do not differ by more than 0.2° for Class B and 0.3° for Classes A, C, D and E headlamps from the nominal position at the V-V line.