color of law
Accomplished Advocate
https://www.wnd.com/2018/11/supremes-asked-to-open-door-to-interstate-handgun-sales/If the buyer and seller both follow all applicable laws, the federal government allows the interstate purchase of a home.
Or a chain saw.
Or a sword.
Or a computer.
Or even a long gun, like a rifle or shotgun.
But not a handgun.
Here is a link to the Petition:
https://www.supremecourt.gov/DocketPDF/18/18-663/72489/20181119123335039_3-petition.pdf