Two, the performances of which shall conform to the requirements concerning Class IA or IB retro-reflectors in |
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Two, the performances of which shall conform to the requirements concerning Class IA or IB retro-reflectors in Regulation No. 3. Additional retro-reflecting devices and materials (including two retro-reflectors not complying with paragraph 6.16.4. below), are permitted provided they do not impair the effectiveness of the mandatory lighting and light-signalling devices. | a0c0 |