Thank you all for your help and input. After much research and several calls, turns out that the folks in AZ simply failed to put the correct sticker on he vehicle, if the vehicle is to be sold and registered in California the emissions sticker must say meets California Emissions Standards, in addition to US standards. The Cummings engine family for my rig are ALL certified for California use. I should be getting the sticker next week. Lesson learned, Check, Double Check and then Check again!!
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