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Annual Corporate Tax Filing & Audit
Complete guide to Thai corporate annual tax filing requirements, audit obligations, and Revenue Department compliance.
Overview
This comprehensive guide walks you through every step of Annual Corporate Tax Filing & Audit, including required documents, timelines, and expert tips to help you navigate the process successfully.
Step-by-Step Process
Close Annual Accounts
Complete year-end accounting close, prepare trial balance and preliminary financial statements.
Tips
- Reconcile all bank accounts
- Confirm receivables and payables
Engage Auditor
Licensed Thai auditor (CPA) must audit all companies filing with DBD.
Documents Required
- Engagement letter
- Access to accounting records
Tips
- Provide auditor timely access
- Prepare supporting documents
Prepare Tax Computation
Calculate corporate income tax liability, identify adjustments for non-deductible expenses.
Documents Required
- Tax adjustment schedule
- Depreciation schedules
Tips
- Review non-deductible items
- Claim all eligible deductions
File PND.50
Submit annual corporate income tax return (PND.50) to Revenue Department.
Documents Required
- PND.50 form
- Audited financial statements
Tips
- E-filing available
- Pay tax due with return
File with DBD
Submit audited financial statements to Department of Business Development.
Documents Required
- Audited financials
- Sor.Bor.Chor.3 form
Tips
- DBD filing within 1 month of AGM
- E-filing through DBD e-registration
Shareholder AGM
Hold Annual General Meeting within 4 months of fiscal year end to approve financials.
Documents Required
- Meeting notice
- AGM minutes
Tips
- 14-day notice required
- Record in Thai and English
Requirements
- Licensed Thai CPA audit
- AGM within 4 months of year end
- Tax return within 150 days
- DBD filing within 1 month of AGM
Tips & Warnings
Pro Tips
- Start audit preparation early
- Maintain organized monthly records
- Track deductible vs non-deductible expenses throughout year
- Consider half-year tax payment to avoid penalties
Important Warnings
- Late filing penalties apply
- Failure to file is criminal offense
- Tax audits may follow late filings
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Professional Legal Assistance
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