7. (1) notwithstanding anything contained in the Police Act, 1945, or the Rangoon Police Act, the President of the Union shall constitute a Bureau of Special Investigation. The Bureau shall, subject to the control of the Board, investigate throughout the Union of Burma any offence under this Act, offences against public property, or offences specified in Schedule 1.

(2)     The Bureau shall be constituted in such manner as may be specified by order of the President of the Union from time to time, and shall consist of such number of officers and men as may be so specified. Such officers and men shall be duly enrolled and shall receive such salaries as may be fixed by the President of the Union.

(3)     The administration of the Bureau shall, subject to the control of the Board, be exercised by the Director appointed in this behalf by the President of the Union.

8. The President of the Union may appoint an many Deputy Directors and Assistant Directors as he may deem fit, to assist the Director in the administrations of the Bureau. Such Deputy Directors and Assistant Directors shall exercise such powers and discharge duties as may be vested in or imposed upon them by the President of the Union.
9. (1) There shall be the following ranks of officers of the Bureau subordinate to the Deputy Directors and Assistant Directors:-

(i)      Senior Investigators;

(ii)     Junior Investigators;

• Assistant Investigation,

(2)     Each officer mentioned in sub-section (I) shall be of the rank lower than the officer mentioned immediately above him and shall also be subordinate to the officer mentioned above him.

10. The appointment, promotion and transfer of Deputy Directors and Assistant Directors shall be made by the President of the Union.
11. (1) Subject to the control of the Board, the appointment, promotions and transfer of all officers in the subordinate ranks of the Bureau shall be made by the Director, and he may, subjects to such control, suspend, reduce, remove or dismiss any such officer whom he considers to have failed or to be negligent in the discharge of his duties or to be unfit for the discharge of the same; or may award to any such officer who lacks sense of duty or is careless in the discharge of the same or who by any cause of his own renders himself unfit for the discharge thereof, any one or more of the punishments prescribed by rules made under sub-section (2).

(2)     Subject to the previous approval of the President of the Union, the Director may make rules:

(a)      Prescribing the punishments which may be awarded under sub-section (1) to an officer of the subordinate ranks of the Bureau and

(b)     Delegating his powers under sub-section (1) in respect of such officers of the subordinate rank or ranks of the Bureau as may be prescribed to any officer not below the rank of Senior Investigator.

12. Every officer of the Bureau appointed under this Act shall make and subscribe an oath in the form set forth in Schedule III and shall receive on his appointment a certificate in the form set forth in Schedule IV under the seal of the Government. The person holding such certificate shall be vested with the powers, functions and special rights of an officer of the Bureau. Such certificate shall cease to have effect whenever the person named therein ceases for any reason to be an officer of the Bureau.
13. Every person who ceases to be an officer of the Bureau shall forthwith deliver up to the Director, or such other as the Director may appoint in this behalf, the certificate granted to him under sections 12 and garb, equipment’s and other articles which have been supplied to him for the execution of his duty.
14. An officer of the Bureau shall not by reason of his being suspended from office cease to be such. During the period of such suspension, although the powers, functions and special rights vested in him as an officer of the Bureau would be in abeyance, he shall remain subject to the same responsibilities, discipline and penalties as if he had not been suspended from office.
15. (1) No officer of the Bureau shall be at liberty to with-draw himself from the duties of his office, unless expressly permitted to do so by the President of the Union or by such officer as may be authorized by the President of the Union to grant such permission, not shall he be at liberty to resign from his office without the permission of the President of the Union of the officer so authorized unless he shall have served continuously for at least two years in the Bureau and unless he shall have given to the President of the Union prior notice in writing of his intention to resign for a period of not less than three months.

(2)     No officer of the Bureau shall engage in any other employment or office whatsoever other than his duties under this Act, unless expressly permitted to do so in writing by the President of the Union.

16. The Director may, from time to time, subject to the approval of the President of the Union, frame such orders and rules as he deems expedient relative to the organization, classification and posting of the officers of the Bureau, the places at which the officers and men of the Bureau shall reside, and the specific services to be performed by them, their inspection, and description of arms, equipment’s and other necessaries to be supplied to them, the collection and the report by them of intelligence and information ; and all such other orders and rules relative to the Bureau as the Director, from time to time, deems expedient for preventing abuse or neglect of function and for rendering the  Bureau efficient in the discharge of its duties.
17. Subject to any order which the President of the Union may make in this behalf, officers of the Bureau shall have throughout the Union of Burma all the powers and duties of Police Officers under sections 16,17,18,19 and 20 of the Police Act, 1945, and, in the Rangoon Town District, under sections 15 and 16 of the Rangoon Police Act; and for the purpose of investigation of offences against public property or offences specified in Schedule I or offences under this Act and of arrest of persons reasonably suspected of having committed or committing such offences, the said officers shall have all the powers, duties, special rights, and also be Subject to the responsibilities of police officers of the Union under the Code of Criminal Procedure or any other law for the time being in force, relative to the investigation of offence committed in the Union of Burma.