The customs union between the European Community and the Principality of Andorra was established in 1990. It foresees 1. free movement between the two parts of the customs union for the goods covered.
The standard specifies the geometrical, mechanical, and transmission attributes of a single-mode optical fibre as well as its cable. The fibre has zero-dispersion wavelength around 1310 nm as per how it was designed, however it can also be used in the 1550 nm wavelength region.