This post is a train wreck and I'm shutting it down.
1. By law, all property owners (including hotels) must file a TM30 for the person who is staying at the hotel. Have the property owner watch this video (In Thai, subed in English):
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and have them use one of the following three programs to submit the TM30 online:
Online [best option]:
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Apple:
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Android
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2. A TM30 is required at most immigration offices to request an extension of stay, as proof that a person is staying within the province.
3. Unlicensed hotels, such as AirBnB, may not do a TM30 because they want to stay hidden from Thai immigration. An AirBnB is technically illegal for under a month's stay.
A submitted TM30 looks like one of the three documents below. SOME hotels submit the TM30 by e-mail directly, and a print-out of the e-mail with the supporting documents will also be accepted by immigration.
Thank you