Thai Revenue Department Reminder on Annual Return Deadline for the 2025 Calendar Year

The Thai Revenue Department issued a reminder on 25 May 2026 concerning the annual tax return (Form PND 50) deadline for companies for the accounting period 1 January to 31 December 2025. The standard deadline is 150 days after the end of the accounting period, which results in a deadline of Tuesday, 2 June 2026, considering the weekend and a holiday on 1 June 2026. However, if returns are filed online (e-filed), the deadline is Monday, 8 June 2026, considering an 8-day extension of the stan…