Acts

List as of 30 Sep 2026. Laws published since then may be missing.

1. Immigration ActOften cited

   Regulating immigration into the country
   Police and courts
2. Income Tax ActOften cited

   Tax on income and how it is collected
   Money and debt
3. Income Tax (Petroleum) Act

   Tax on profits from petroleum operations
   Money and debt
4. Infectious Diseases ActOften cited

   Stopping infectious diseases entering, spreading or leaving
   Health and care
5. Insolvency ActOften cited
   Money and debt
6. Institute of Brunei Technical Education Act

   Setting up an institute for technical education
   Work
7. Intermediate Courts ActOften cited

   Setting up intermediate courts, their powers and how they run
   Police and courts
8. Internal Security Act
   Police and courts
9. International Arbitration Act

   Reform of international arbitration and enforcing arbitral awards
   Police and courts
10. International Finance Corporation Act

    Membership in the international finance body and its agreement
11. International Transfer of Prisoners Act

    Transferring prisoners to serve sentences in their home countries
    Police and courts
12. Internationally Protected Persons Act

    Crimes against internationally protected persons
    Police and courts
13. Interpretation and General Clauses Act

    How laws are read, interpreted and published
14. Intoxicating Substances Act

    Banning misuse of substances that cause intoxication when inhaled
    Police and courts
15. Inventions ActRepealed
16. Investment Incentives ActRepealed
17. Islamic Adoption of Children Act

    Adoption of children under Islamic law
    Family
18. Islamic Banking ActOften cited

    Regulation and licensing of Islamic banking business
    Money and debt
19. Islamic Family Law Act

    Islamic family law on marriage, divorce, maintenance and guardianship
    Family