The retro-reflective marking material bearing the above approval mark has been approved in Germany (E1) under approval number 0001148. The first two digits of the approval number indicate that the approval was granted in accordance with the requirements of Regulation No. 104 in its original form. Symbol "C" indicates the class of the retro-reflective material which is intended for contour/strip marking. Symbol "D" shall indicate material for distinctive markings/graphics intended for a limited area and symbol "E" material for distinctive markings/graphics for extended area...
ECE 104 Reflecting tape Some of you may be aware that the UNECE has agreed to the introduction of additional outline reflective markings on goods vehicles.