Forvis Mazars in Thailand technical update - September 2026

Tax

• Thailand has signed GIR MCAA: Paving the way for GIR information exchange
• Thailand issues penalty framework for tax information exchange reporting obligations
• Thai Revenue Department clarifies tax treatment of statutory mergers

Legal

• Anti-nominee measures under the Department of Business Development rules and immigration bureau rules
• Unlocking foreign business restrictions

Accounting

• TFRS revised 2026: What changes in practice from 1 January 2027

IFRS

• IFRS 18: IASB withdraws the agenda decision on supply chain financing arrangements – reverse factoring
• IFRS 18: presentation of tax charges imposed by a government as a direct substitute for income taxes
• Post-implementation review of IFRS 16: IASB completes its discussions
• Post-implementation review of IFRS 9 on hedge accounting: preparing a request for information
• Update to the IPTF watch list on hyperinflationary economies
• IFRS foundation: new chairs appointed to the trustees and the IASB
• Publication of an exposure draft proposing targeted amendments to the IFRS foundation constitution

Sustainability

• Upcoming publication by the ISSB of an exposure draft on nature-related disclosures