On Wed, Dec 14, 2022, at 14:09, Keith Moore wrote: > I would prefer something closer to "Valid-Until". I think that you are looking for "Best-Before". Jokes aside, I fail to see the relevant distinction you are making. I found a definition thus: Verb 1. expire - lose validity; "My passports expired last month" So it seems like "Expires" works nicely. Or at least no worse than it does for HTTP caching (i.e., not very well, but we make do). -- last-call mailing list last-call@xxxxxxxx https://www.ietf.org/mailman/listinfo/last-call