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On 8 October 2026 Thailand's Revenue Department and seven other agencies, including the DSI, the DBD and AMLO, simultaneously raided three locations in Bangkok and initially identified about 600 companies "at risk of tax underpayment". These 600 are the scope of review; no findings have been published.
Different agencies hold shareholding records, work permits, visas, property, money flows and tax filings. Put together, issues such as nominee shareholders, unrecorded income and unreasonable related-party pricing become visible.
Failure to file and pay tax may affect the renewal of licences to operate in Thailand;
Wilful tax evasion is a criminal offence, punishable by 3 months to 7 years' imprisonment and a fine of THB 2,000 to 200,000 (Section 37 of the Revenue Code).
Whether shareholders' capital contributions have real records and payment evidence;
Whether related-party pricing is backed by contemporaneous documentation;
Whether there are unfiled periods ahead of an FBL, BOI or sector licence renewal.
Basis: Revenue Department press release 2/2570 (8 October 2026). Whether a case is a violation is for the competent authority to determine. See also Revenue Department Joins Eight-Agency Raid.
Related services: Tax Health Check | Annual Finance & Tax Advisory Retainer