VDA 280-6D: Colorimetry for motor vehicles - Colour measurement on vehicle glass in the visible spectral range - Colour measurement on windows and mirrors with direction dependent effects (Version 04/2008) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2
VDA 280-1: Colorimetry for motor vehicles - Colour measuring of plastic surfaces of interior materials for motor vehicles (Version 04/2001) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2