How do I count the 90-day reporting period for a D visa in Thailand, and what documents are required?

When you obtain a Dtv visa in Thailand, the 90-day counting starts from the day you arrive in Thailand. You can report your status up to 15 days before the 90-day due date; there’s no need for an exact reporting on the 90th day. If you leave Thailand and then return, the 90-day period resets, and you will need to count 90 days from your new entry date. Required documents for the 90-day report typically include your passport and any relevant visa paperwork.