there was an update published in the gazette on 16th June 2020 enacted 30th June 2020 removing the need to reregister the foreign national after temporary travel if returning to the previously registered address within the validty of that notification. It wasnt well reported at the time. And length of temporary travel is ambigous.
actually the rules say you dont need to notify via a tm30 if you are returning to a registered location within the checked in period. (Changed
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). So if your tm30 has a null checkout date its not required under the rules. That said many offices will insist on an updated one when physically interacting with them and the form has to be shown. I never bother during the year for my 90 day reports, but do an updated one for my anual extension of stay.
Since about 2021, From a legal point of view, if you are returning to your permantly registered property (as per tm30) within the registered stay period, [checkout date future or null], there is no need to re-register, this applies to both internal and external travel of Thailand. This should be fine for 90 day reporting purposes eg on-line. However, if visiting imigration many offices will insist on a new TM30 (especially when the check-in date is prior to your visa extention or arrival in country date. Problems can arise with internal travel, where your last hotel/etc don't fill in the checkout date of their tm30, and this becomes your address on record. I travel a fair bit within Thailand to hotels and never redo my tm30 and dont have a 90 day reporting problem, but i always register a new tm30 for my extension of stay done at CW.
The training video online has been available for a couple of years, so its probably just a temporary glitch with the site. You view the video and answer some observation questions to prove you watched it (during & at end) anytime prior to the visit to dlt. When you completed the viewing you save and print the qr code to take with you.
I think you'll find the under consideration period runs to the 'later of' 30 days or visa expiraration date. I use CW which is 20 days, and in 12 years never received a considerstion date end less than my previous extension date.
i'd get a new accountant, that is the only change that has been made, and the cause of all the discussions around taxation in the last 18 months. If you have money that would be assesable if you bring it into Thailand in the year it was gained, it will remain assesable if you delay bringing it until following tax year. (It doesn't become non-assesable now, like it used to).