Starting from 20 1 1, three sets of color standards for compulsory traffic insurance signs due in 2008, 2009 and 20 10 will be implemented circularly.
Yellow color of 20 16, which proves that it was manufactured in 20 15 and is valid until 20 16.
Blue color of 20 16, which proves that it was manufactured in 20 16 and is valid until 20 17.