thailand-vatSource-cited draft Use this skill whenever asked to prepare, review, or classify transactions for a Thailand VAT (ภาษีมูลค่าเพิ่ม) return (PP.30), classify transactions for Thai VAT purposes, or advise on VAT registration and filing in Thailand. Trigger on phrases like "ภาษีมูลค่าเพิ่ม", "Thai VAT", "PP.30", "VAT Thailand", "Revenue Department Thailand", or any Thailand VAT request. ALWAYS read this skill before touching any Thailand VAT work.