I did, because i was interested. Those are state regs. Copy of VIN signed by customs.

The thing is, you're not importing a car into WA state you're importing a car into the USA. Meaning you have to follow federal regulations which are strict on emissions and safety equipment standards. It's a lot more complicated than just getting a customs agent to verify the VIN.

Next time before you Google one thing then pat yourself on the back proclaiming your mental superiority for using a Google search, maybe you actually research the topic? Or maybe just leave the topic to people who have researched it recently, and thoroughly. Like say someone who bought a Canadian truck last week and still has the kilometers odo in it? A.k.a. me.

Here is the link he needs https://icsw.nhtsa.gov/cars/rules/import/