If not, then all bets are off.
5.56mm
They won’t confiscate it. They will fine you if you are caught burning on ‘no burn days’ and will make it illegal to sell the home with the non-compliant stove in it. That is the way they have done it in California.
http://www.valleyair.org/burnprograms/selling%20home%20wb%20device.pdf