Forvis Mazars in Thailand technical update - May 2026

Tax

• Year-end corporate income tax review: Deductions and incentives taxpayers should not miss
• Thailand’s private trust reform: Pathway to a tax-efficient regional wealth hub

Legal

• Proposed amendments to the Foreign Business Act: Enhancing clarity,  reducing regulatory burden, and promoting foreign investment in Thailand
• Thailand to reinstate 30-Day visa exemption period

Accounting

• Key changes to TFRS 9 and TFRS 7 effective from 2027

IFRS

• IASB approves four agenda decisions on IFRS 18
• IFRS IC agenda decision: accounting for a battery offtake arrangement
• Post-implementation review of IFRS 16: IASB continues redeliberations
• Statement of cash flows project
• Amortised cost measurement project
• Updated Due Process Handbook published
• Forvis Mazars publishes a guide on IFRS 19 – Subsidiaries without public accountability: Disclosures

Sustainability

• ISSB agrees on the proposed way forward for nature-related disclosures