I ended my post on 60(j) rollovers with a cliffhanger, by hinting that the rate of US tax on a nonresident alien’s IRA or 401(k) distribution might depend on the extent to which the income is “effectively connected with the conduct of a trade or business within the United States”—a term of art from IRC § 871 that I quoted without the elaboration it deserves.
Continue reading Effectively Complicated Income