John,
We just need proof of registration sticker on the rear license plate, which is blue for 2019 and the white sticker on the left signifies the month it is due. No smog emission test needed as it is older than 1975. The only thing on this car originally was a crankcase breather pipe from the front tappet cover toward the ground ! I have improved mine to be better than that.
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Cheers,
Ken