book travel.
3. Missing or Incorrect Tourist Permit
Mexico’s FMM is a common pitfall. Tourists often assume they don’t need it (they do). Or they misread the departure date (it’s up to 180 days, but the officer may grant less).
How to prevent it: Complete the FMM online before travel. Print two copies. Verify the authorized stay before leaving immigration.
4. Passport Validity (The 6-Month Rule)
This catches people constantly. Your passport may be valid for your trip dates, but the destination country requires 6 months beyond your return.
How
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