Thailand reduced its visa-free stay from 60 to 30 days effective 15 September 2026. Here is what changed, who is affected, and what the alternatives are for longer stays and business travel.

A practical guide to the Thai Tax Residency Certificate (Form R.O. 22): what it confirms, who qualifies under the 180-day rule, how to apply, and the key difference between residency and tax payment certificates.

A practical guide to PND 51, Thailand's half-year corporate income tax return: who must file, how to calculate the estimate, the 2026 deadlines, and how to avoid the 20% underestimation surcharge.