My last entry was valid until 9 May 2020. It looks like I did an extension in July that gave me until 14 September 2021 but that was just to avoid having to exit and renter. My original visa was still valid.
I just had to pay a 2,000 baht fine because I didn’t have the slip (never given to me at Chaeng Watthana) and the IO insisted that my report was due 60 days earlier than I had been told. Lesson is: make sure you get the slip!
Yes, they sure did. They told me if I wanted to dispute it I had to go back over to CW and get a new little appointment card (that was never given to me in the first place). I do remember the IO at CW telling me I had to do the 90-day reporting when i received the 1-year extension.
So I went to MTT, and was told the the 90-day report was due from the date of the 60-day extension prior to the 1-year extension, which makes absolutely no sense since the 1-year extension application included full information about my address, etc.