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news 2026.02.15 12 min read

2025–2026 Thailand Legal Reform Checklist | Five Key Changes Japanese Companies Need to Act On Now

FBA reform, labor law amendments, BOI rule updates, anti-bribery strengthening, and de minimis abolition — five major Thai legal changes are advancing simultaneously in 2025–2026. A comprehensive action checklist for Japanese SMEs, with links to detailed guidance on each topic.

Key Takeaways

  • Thailand is in the midst of a multi-front legal reform wave in 2025–2026, driven by OECD accession, BCG economic policy, and digital economy regulation
  • All five areas — FBA, labor law, BOI, anti-bribery, and customs — require practical action from Japanese companies
  • This article serves as a navigation hub to detailed guidance on each topic, with an integrated action checklist

Introduction — Why 2025–2026 Is Thailand’s “Reform Wave” Moment

Thailand is experiencing simultaneous reform across multiple legal domains. Three interconnected forces are driving this:

① OECD Accession: Thailand’s membership assessment requires convergence with international standards on foreign investment, labor conditions, and anti-corruption.

② BCG Economic Policy (Bio-Circular-Green): Industrial policy priorities are reshaping BOI promotion categories and green industry incentives.

③ Digital Economy Expansion: The rapid growth of cross-border e-commerce and platform economies has prompted new digital taxation, VAT obligations, and customs rules.

For Japanese companies operating in or planning to enter Thailand, this convergence creates both risk — the risk of being caught unprepared — and opportunity: those who move early gain a structural advantage.


1. Foreign Business Act (FBA) Reform

→ Detailed article: Thailand’s Foreign Business Act Set for Its First Major Overhaul in 25 Years

Direction of Reform (Summary)

The FBA — enacted in 1999 — received in-principle Cabinet approval for reform in April 2025. Key changes under discussion:

IssueCurrentReform Direction
Definition of “foreign person”Foreign capital ≥ 51%Flexible, sector-specific criteria
Restricted business listsAnnexes 1–3Partial opening to 100% foreign ownership
Nominee enforcementIntensifying46,918-company investigation (April 2025)

Action Checklist

  • Confirm whether your business activities fall under FBA Annexes 1, 2, or 3
  • Review your JV Shareholders’ Agreement for shareholding-change provisions
  • If using nominee arrangements, begin remediation planning now

2. Labor Protection Act (LPA) Reform

→ Detailed article: Thailand Extends Maternity Leave to 120 Days & Introduces Paternity Leave (enacted)

✅ Already in Force (December 7, 2025)

The Labour Protection Act (No. 9) took effect on December 7, 2025. Companies that have not yet updated work rules or payroll need to act immediately.

ItemBeforeAfter (in force)
Maternity leave98 days120 days
Employer-paid portion45 days60 days (100%)
Spousal/paternity leaveNone15 days (100%)
Infant-care leaveNoneUp to 15 days (50%)
Employment Status ReportOn requestAnnual self-submission (January, 10+ employees)

Action Checklist (already enacted — act now)

  • Revise Work Rules — reflect 120-day maternity leave and 15-day spousal leave
  • Update payroll system — set 60 days paid at 100%, spousal leave at 100%
  • Employment Status Report — submit for January 2026 if not yet done
  • Inform managers/HR of the 90-day deadline for spousal leave

3. BOI Rule Updates

→ Detailed article: Thailand BOI Updates 2025

Direction of Change (Summary)

BOI revised its promotion conditions in 2024–2025, tightening compliance monitoring while expanding promotion to new sectors.

IssueChange
Foreign employment criteriaMore flexible, sector-specific rules
Land ownership privilegeStricter interpretation of permitted use
New promoted sectorsEV, semiconductors, data centers, green energy
Compliance monitoringSignificantly intensified

Action Checklist

  • Conduct a full compliance review of your existing BOI certificate (foreign employee ratios, land use, annual reports)
  • Assess whether your business qualifies under newly expanded BOI categories
  • Design an integrated FBA + BOI strategy in light of FBA reform developments

4. Anti-Bribery and Anti-Corruption Enforcement

→ Detailed article: Thailand’s Anti-Bribery Enforcement Intensifies

Direction of Change (Summary)

Private sector application, whistleblower protection, and NACC/DSI investigation powers are all strengthening simultaneously.

IssueStatus / Direction
Private sector briberyExpanding scope
Whistleblower protectionFramework development for private sector employees
CPI score36/100, rank 108/180 (2024) — elevated risk

Action Checklist

  • Formalize your anti-bribery policy in Thai and obtain employee acknowledgment
  • Implement a hospitality and gift approval and recording process
  • Add anti-bribery clauses to third-party (agent/broker) agreements

5. Customs De Minimis Abolition

→ Detailed article: Thailand Abolishes Customs De Minimis Threshold

Change Summary

Effective July 1, 2024 — already in force. The THB 1,500 small-value import duty exemption has been abolished.

IssueBeforeAfter
De minimis thresholdTHB 1,500 exemptAbolished — all imports taxable
ScopeCourier, postal, cross-border e-commerceSame — comprehensive
FTA opportunityAJCEP / JTEPA applicableIncreased value of applying preferential rates

Action Checklist

  • Recalculate landed cost for Thailand-bound goods including customs duty and VAT
  • Evaluate shifting from direct Japan shipment to Thailand-based fulfillment
  • Confirm FTA preferential rate eligibility (AJCEP / JTEPA)

Integrated Action Checklist

Across all five areas, here is a prioritized list of actions for Japanese companies:

[Urgent: Already in Force — Act Now]

  • LPA (No. 9) compliance — revise work rules, update payroll, submit Employment Status Report (in force since Dec 7, 2025)
  • Respond to de minimis abolition (recalculate landed costs, review logistics model)
  • Conduct full BOI compliance review (foreign employee ratios, land use, annual reports)
  • Formalize anti-bribery policy in Thai and communicate to all employees

[Important: Prepare Now]

  • Confirm FBA regulated category status for your business activities
  • Review / strengthen JV Shareholders’ Agreement shareholding-change provisions
  • Begin nominee structure remediation (requires structural redesign and time)
  • Assess eligibility for new BOI promotion categories

[Monitor: Ongoing Tracking Required]

  • Track FBA draft legislation and parliamentary progress
  • Monitor further LPA amendments under review (annual leave extension, family care leave, etc.)
  • Follow OECD accession process timeline
  • Watch for BOI annual condition revisions

Conclusion — Getting Ahead of the Reform Wave

Thailand’s legal environment is shifting rapidly toward international standards — driven by a single powerful force: the OECD accession process. Rather than treating each reform as an isolated compliance task, the most effective approach is to use this period of change to comprehensively review your Thailand strategy, compliance framework, and business model.

Companies that move early — confirming status, updating documents, and building compliant structures before changes are forced on them — will be better positioned than those that wait. Our firm provides integrated guidance across all five reform areas, drawing on both Japanese and Thai legal expertise.


Please contact us to discuss how these reforms apply to your specific situation.

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This article is for general informational purposes about Thailand’s legal system and does not constitute legal advice under Thai law. For specific matters, please consult a Thai-qualified legal professional. Our firm works in collaboration with JTJB International Lawyers’ Thai-qualified attorneys.

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