Section 4
SEC. 4. The Board shall prepare rules adapted to carry out the purpose of this Act, which is hereby declared to be the establishment and maintenance of an efficient and honest civil service in all the executive branches of the Government of the Philippine Islands, central, departmental, and provincial, and of the city of Manila, by appointments and promotions according to merit and by competitive examinations where the same are practicable, and it shall be the duty of all officers in the Philippine civil service in the Departments and Offices to which any such rules may relate, to aid in all proper ways in carrying said rules and any modifications thereof into effect.