N.D. Cent. Code § 51-35-06: Catalytic converters

1.Unless the person is registered with the attorney general as a scrap metal dealer under section 51-35-05, a person may not purchase, trade for, or pledge to buy a detached used catalytic converter, or offer or advertise to purchase, trade for, or pledge to buy a detached used catalytic converter.

2.Unless the seller is exempt under subdivision d of subsection 1 of section 51-35-03, a person wishing to sell a detached used catalytic converter shall do so in person at the fixed business premises of a scrap metal dealer registered with the attorney general.