Thailand Revenue Department Updates VAT Form PP.30 (Effective 1 March 2026)


The Thai Revenue Department has announced updates to VAT Form PP.30 and its attachments to enhance clarity, accuracy, and convenience for taxpayers.

Key highlights
  • Improved tax calculation sections for amended filings, with clearer breakdowns of amounts (each amended section both sales amount and purchase amount)
  • New attachment for amended PP.30 filings to ensure more complete and accurate information
  • PromptPay designated as the primary refund channel, enabling faster and more convenient VAT refunds
  • Clearer address information fields to improve data accuracy

What this means
  • Easier corrections for amended VAT filings
  • More complete reporting and smoother refund processes
  • Greater reliance on digital payment infrastructure

Businesses and finance teams should prepare for these changes ahead of the effective date.

Reference : info new PP30 and Attach PP30