The 90-day report is one of those recurring pieces of Thai bureaucracy that’s easy to overlook once the novelty of your move wears off, worth understanding clearly so it becomes routine rather than a source of stress every three months.

What it actually is

The 90-day report, filed using form TM.47, requires anyone on a long-stay visa who remains in Thailand continuously for more than 90 days to confirm their current address with immigration, even if that address hasn’t changed since your last report. It’s worth being clear about what this isn’t: it doesn’t renew or extend your visa, it’s purely an address confirmation and tracking requirement, entirely separate from your visa’s actual validity.

Who needs to do it

This applies to anyone on a non-immigrant visa or extension of stay, retirement, marriage, work, education, or DTV visas among them, who remains in Thailand continuously for over 90 days. Tourist visa and visa exemption holders don’t need to worry about this, since their permitted stay is already capped at 90 days or less.

The filing window

You can file anywhere from 15 days before your 90-day deadline to 7 days after it, a roughly 3-week window. Filing too early simply won’t be accepted by the system; filing later than 7 days past the deadline triggers a fine. A useful habit many long-term residents adopt: setting a calendar reminder around day 75 to 80 of your cycle, giving comfortable time to file within the window rather than scrambling at the last moment.

How to actually file

Three methods exist: in person at your local immigration office (fastest, with same-day confirmation), by registered mail (useful if you’re outside easy reach of an immigration office, submit at least 7 days before your deadline), or online through Thailand’s e-Reporting system. Your very first 90-day report must be done in person, online filing is only available for subsequent reports once your details are already in the system.

A 2026 update worth knowing

Since 2026, online 90-day reporting is linked to your Thailand Digital Arrival Card (TDAC) record from your most recent entry. If you’ve recently renewed your passport, the online system won’t automatically recognise your new passport number against your existing immigration file, you’ll need to visit an immigration office in person once to link the new passport to your records before returning to online filing for future reports.

What happens if you miss it

Filing late but voluntarily, walking into an office or filing within a short grace period after your deadline, results in a fine of 2,000 THB. If immigration or police discover your non-compliance during an unrelated interaction, a checkpoint, an unrelated document check, the fine rises to 5,000 THB plus up to 200 THB per day until you comply. It’s worth being clear that a missed 90-day report isn’t an overstay and doesn’t itself void your visa, but repeated or blatant non-compliance can raise flags that complicate future visa extensions or renewals.

The reset that catches people out

Your 90-day counter resets to zero every single time you leave and re-enter Thailand, starting fresh from your new entry date regardless of how much of the previous cycle had already passed. This is generally good news, frequent travellers effectively restart their clock each trip, but it does mean tracking your actual deadline requires checking your most recent entry stamp rather than assuming a fixed recurring date.

A simplified option for LTR holders

If you hold the Long-Term Resident (LTR) visa, this obligation is genuinely lighter: you’re required to report only once a year rather than every 90 days, one of several administrative conveniences built into that visa category.

Final thoughts

The 90-day report is a manageable, routine piece of compliance once you build the habit of tracking your deadline and filing within the window. Setting an early calendar reminder and understanding whether online filing is available to you removes nearly all of the friction from what’s otherwise one of the more recurring administrative tasks of long-term life in Thailand.

For guidance on managing recurring immigration compliance, get in touch, or browse JLIT’s directory of visa and immigration services.