Corporate Income Tax Exemption for Large Commercial EVs
New incentives issued in the final quarter of 2025 to promote domestic manufacturing and reduce emissions in the electric vehicle industry.
Key Dates
Investment Period Starts
Start date for qualifying investments in large commercial EVs.
Royal Decree Issued
Royal Decree No. 798 published in the Royal Gazette.
Deadline
Vehicles must be acquired and ready for use by this date.
Overview
On September 9, 2025, the Royal Gazette published Royal Decree No. 798 , granting a corporate income tax (“CIT”) exemption for qualifying investments in large commercial electric vehicles.
Following this, Notification of the Director-General of Revenue No. 464 was issued on 26 December 2025 to clarify the rules, procedures, and conditions for claiming the CIT exemption.
Deduction Criteria
Corporate entities investing in large electric vehicles are eligible for additional CIT deductions based on the source of the vehicle.
Manufactured in Thailand
Total deduction allows for 200% of the asset cost spread over depreciation.
Imported (CBU)
Total deduction allows for 150% of the asset cost spread over depreciation.
Qualifying Vehicle Checklist
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Must be battery-powered passenger vehicles or trucks.
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Must be registered with Motor Vehicle Law and never previously used.
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Must be depreciable under Section 65 Bis (2) of the TRC.
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Cannot be receiving other tax incentives (BOI, EEC, etc.) for the same asset.
Compliance & Revocation
If compliance fails, exemptions will be revoked and income must be re-included in taxable income.
If the vehicle is sold, damaged, or lost, the exemption terminates from that period onwards. You are not required to re-include previously exempted income.
Benefit Simulator
*Exempted amount allocated evenly over 5 accounting periods.
Required Documentation
- Investment project details
- Financing plan
- Vehicle technical specifications