Anonymous participant 959 Yes, correct. One individual down in Krabi claims otherwise, but I told her she's wrong and a "know it all". Usually, you'll receive a rejection email after the initial filing, something she probably isn't aware of.
I don't know why they created this bureaucratic nonsense, although at least you can always mail your 90 day report in rather than going in person, regardless of whether it's your first or 10th time following your last re-entry.