“At one time, the mere performance of the above (or certain other) acts was enough to cause loss of US citizenship; however, the Supreme Court overturned this concept in the Afroyim and Terrazas cases, and Congress amended the law in 1986 to require that loss of citizenship would result only when a potentially “expatriating” (citizenship-losing) action was performed voluntarily and “with the intention of relinquishing United States nationality”. “
Is that law retroactive? If so, he’s a citizen. If not, he’s going to have to go back to Indonesia.
it is the “after 18’ part that is the killer so as to speak.....
The Constitution bans ex post facto laws (Article I, Section 9), although I'm aware that Congress has gotten away with violating this provision in the taxation area, for one.