2.2.2. However, if this value is:

a further sample of a headlamp mounted on a test fixture representative of the correct installation on the vehicle shall be tested as described in paragraph 2.1. after being subjected three consecutive times to the cycle as described below, in order to stabilize the position of mechanical parts of the headlamp:
(a)  Operation of the passing beam for one hour (the voltage shall be adjusted as specified in paragraph 1.1.1.2.);
(b)  One hour period with the lamp switched off
After these three cycles, the headlamp type shall be considered as acceptable if the absolute values Δr measured according to paragraph 2.1. above on this further sample meet the requirements in paragraph 2.2.1. above. 		a0c0