Sim families and vacation properties?

@sparilis  Sorry it took me so long to reply; stuff came up, then errands, then more stuff.  And still more soon (yay).

Okay, I loaded a save with two sims: one that had a level 3 visa in both China and France, and the other with a level 2 in France and nothing in China.  While in France, I had sim 1 buy a vacation house; when they returned home, I used MC to remove the "traveled" moodlet and sent sim 2 back to France.  He had no problem using the house that sim 1 had bought.  So then I sent him home and moved sim 1 out, staying with sim 2.  Again, I sent him to France (after removing the same moodlet), and again I had no trouble selecting the vacation house as his home.

I could repeat the experiment with China, but what I saw seems to confirm what I already thought—that vacation homes function in the same way businesses and second homes within the homeworld do, specifically, that they belong to the active household and not any particular sim.  A player whose information I trust very much posted a while back that the family maintains ownership of a vacation home when the original buyer dies, so I wouldn't worry about losing a vacation house to death, either.  The one exception might be if you're switching households within a town, and the sim who owns the house dies while not under your watch, but it doesn't sound like you expect this to happen.

I should note that I have a pile of nraas mods installed, including Traveler, so I can't confirm that things work in precisely the same way in a vanilla game.  But I would think that they do since they seem to use the business/venue model that follows the same pattern without mods.