Thailand · Tax Compliance
Filing calendars, registration thresholds and the official tax authority.
Start from the official sources below — they are the authoritative reference for this topic.
Government portals
- Royal Thai Government — Official portal of the Royal Thai Government
- Thai Immigration Bureau — Visas, 90-day reporting, and re-entry permits
- Revenue Department — Thai personal income tax and VAT
- Board of Investment (BOI) — Foreign-investment incentives and the LTR long-term visa