AMS is amending the color requirements to include red colored walnuts and removing the “Unclassified” section due to the increment of red walnut demand. The changes aim to modernize the standards and meet growing consumer demand by providing greater marketing flexibility.
The final rule is effective since September 21, 2017.
Federal Register Vol. 82, No. 161. Tuesday, August 22, 2017. Pages 39655-39658
http://www.nutfruit.org/files/llei/1506524769_Standard_for_Walnuts.pdf