If, however, for a series of samples vertical adjustment cannot be performed repeatedly to the required position within the allowed tolerances, the quality of &quot; cut-off &quot; shall be tested on one of the headlamps from the series of samples, according to the procedure described in Annex 9, paragraphs 2. and 4.
If, however, for a series of samples vertical adjustment cannot be performed repeatedly to the required position within the allowed tolerances, the quality of &quot; cut-off &quot; shall be tested on one of the headlamps from the series of samples, according to the procedure described in Annex 9, paragraphs 2. and 4.