7.1.

Retro-reflecting devices must also satisfy the conditions as to dimensions and shape, and the colorimetric, photometric, physical and mechanical requirements set forth in Annexes 5 to 11 and 13 to this Regulation. The test procedures are described in Annex 4 (Classes IA, IIIA), Annex 14 (Class IVA) and Annex 16 (Classes IB, IIIB).

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