Constitution as of 29 September 1959.
1. The official language of the state shall be the Malay language and shall be in such script as may by written law be provided.
2. Notwithstanding subsection 1, for a period of five years after the coming into operation of this section, and thereafter until otherwise by written law provided, the English language may be used for all official purposes.
3. The official language of the proceedings of the Privy Council, of the Council of Ministers and of the Legislative Council shall be Malay, provided that:
(a) with the leave of the person presiding, any Member may speak English; and
(b) whenever it shall be necessary for the better convenience of any Member of any Council as aforesaid who is not conversant with the Malay language to do so, such Member may, with the leave of the person presiding, employ an interpreter during the proceedings of such Council; and every interpreter so employed shall, before entering upon his duties for the first time, make and subscribe before the person presiding an oath or declaration in the form set out as Form VII in the Schedule.
4. An official version in the English language shall be provided of anything which, by this Constitution, or by any written law, or by the Standing Orders, is required to be printed or in writing, and such version shall, in addition to the official Malay version, be accepted as an authentic text.
5. Notwithstanding subsection 1, for a period of five years after the coming into operation of this section, and thereafter until otherwise by written law provided, the authoritative text of
(a) all bills to be introduced, or amendments thereto to be moved, in the Legislative Council; and
(b) all written laws and instruments, shall be printed in both the Malay and English languages; but in case of any doubt or conflict between the Malay and the English texts:
(i) subject to paragraph (ii), if such conflict or doubt arises in any bill, written law or instrument, other than this Constitution, the Succession and Regency Proclamation or the Nationality Legislation (S.121/61), the English language shall prevail; and
(ii) if such conflict or doubt arises in this Constitution, the Succession and Regency Proclamation or the Nationality Legislation but not any order made thereunder, the Malay text shall prevail.
Note: Further information on the Constitution can be found on the official Internet site of the Government of Brunei Darussalam.