For the (real estate) uninitiated, the MLS status “TNAS” stands for “Temporarily Not Available for Showing.”
That can be the case when a home is already under contract, and being inspected by the Buyer; someone is home sick; or, the Seller simply doesn’t want intrusions over the holidays.
But, what do listing agents disclose when the issue isn’t a “For Sale” home’s availability — in fact, it’s vacant, and can be shown any time — rather, it’s the Seller who’s inaccessible? (usually due to travel abroad, in an area with poor or no Internet access — imagine! :-)).
Then, the proper course seems to be to continue to keep the listing “Active” (and showable), but to advise serious Buyers (vs. everyone) of the delayed response timetable . . .