I have those statutes, and am unable to find the statute I referenced, but there’s one out there, and I’ve read it.
So I’ll stand down until I do.
Fair enough. I would underscore though, that the statute I quoted earlier, 8 USC§ 1481, is titled "Loss of nationality by native-born or naturalized citizen; voluntary action; burden of proof; presumptions". This is the relevant citizenship statute. In fact, it is the only statute controlling "loss of citizenship".