To increase Government income collection from Income Tax and Stamp Duty;

To increase voluntary compliance and minimise the cost of compliance to taxpayers;

To promote an efficient, effective and modern tax system which is in line with international best practices;

To enhance tax administration's professionalism and efficiency through human resource development and info communication technologies;

To help create business and investment friendly environment through efficient, fair and competitive tax environment; 

To identify potential countries for negotiations on Avoidance of Double Taxation Agreement (DTA) and Bilateral Investment Treaty (BIT); and

To conduct negotiations so as to promote more business investment activities in Brunei Darussalam. 

To administer the Income Tax Act (Chapter 35), the Income Tax (Petroleum) Act (Chapter 119) and the Stamp Act (Chapter 34);

To continuously review and strengthen the Income Tax legislations with a view to increase tax compliance and collection;

To process applications for Authorised Auditor's Licence in Brunei Darussalam;

To conduct and negotiate Avoidance of Double Taxation Agreement and Bilateral Investment Treaties.

 Updated as of 13 March 2010