Please note that the different certification programs have different validity periods. 

Acknowledged by multiple organisations  ( e.g. Target, Under Armour, Lands' End, Lululemon Athletica, Gymboree)

The validity always begins from the day of certification.

CAP (Color Accreditation Program)
CCP (Color Certification Program)
3 yearsOnly after initial certification. Valid from day of certification. 
reCAP / reCCP1 yearAnnual re-certification. Valid from day of certification. 
Levi's1 yearValid from day of certification.
CMAP adidas 2 yearsValid from day of certification.

If we missed any important details, please do not hesitate to let us know.