I'm curious how you handled addresses that couldn't be validated. From my perspective, that's a big blind spot of real-world implementations of this sort of stu

I'm curious how you handled addresses that couldn't be validated. From my perspective, that's a big blind spot of real-world implementations of this sort of stuff, and thus the condition under which most of it happens. Not quite "make up a unit number" (freight forwarder red flag, anyway) but pretty close.