Income Tax in Brunei Darussalam is governed by the Income Tax Act (Chapter 35) and Income Tax (Petroleum) Act (Chapter 119), Laws of Brunei.
Under Section 8(1) of this Act, income accrued in, derived from, or received in Brunei Darussalam by any corporations, registered locally or elsewhere is taxed at the rate of 30%.
The provisions of the Act shall not have effect in respect of incomes of any other persons or bodies of person.
Profit of companies engaged in the exploration and production of oil and gas, will be taxed at the rate of 55%.
Stamp duties are levied on a number of documents which is listed in Schedule 1 of the Stamp Act (Chapter 34) at an 'ad valorem duty' rate or 'fixed' rate. Instruments which are not duly stamped may not be admissible as evidence in civil proceedings.