What happens if you don't do the 90 days reports ?
What is the consequences ?
Will be fined at the airport ?
Because seems it's complicated in some provinces- need TM30, etc etc etc and some hotel don't register properly.
TLDR : Answer Summary
Failing to complete the 90-day reporting in Thailand can lead to various fines and complications. If you miss the deadline, you may be fined 2,000 THB at the immigration office or 5,000 THB if caught by the police. It's important to report within the 90-day period, which can be done online within 15 days before or 7 days after the due date; otherwise, you must report in person. Frequent travelers may reset their 90-day count each time they leave and re-enter Thailand. The process is generally straightforward, but some expats find the rules, especially regarding TM30 forms, confusing.
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