OK, got it apart. I didn't remove the fiberglass panel when I fixed the latch. This is the first time it's been off. Yep, same sticker as yours except it's on the right side. What a stupid location for a sticker. Unfortunately that's only for federal compliance. Nothing on there about Cali Air Resourse Board.

I'm working through Dunham and they are relaying all email communications in the last couple days. EBR says they can't get it CARB certified but that might not be necessary if they can write a convincing letter stating it's compliant with all CA standards. DMV probably didn't have to do this for me but I think they're trying to be reasonable about it.