The 1 Big Mistake You Should Never, Ever Make With Your Passport

HuffPost reports that many countries require passports to remain valid for three to six months beyond a traveler's departure date, a rule that trips up travelers who only check whether the passport is technically unexpired. Experts quoted in the piece, from a flight-alert service and a passport concierge company, say confusion is common and the requirement varies by country and isn't always well publicized.

The anecdote that opens the piece, a friend nearly missing a wedding in Italy, illustrates the stakes: airlines can and do deny boarding over this technicality, leaving travelers to scramble for expedited renewals.

The full dispatch is available from the source below.