SEC. 3. The Agencies under the Office of the Regional Governor. - The agencies under the Office of the Regional Governor refer to those offices placed under the chairmanship of the Regional Governor, those under his/her supervision and control, those under his/her administrative supervision, those attached to it for policy and program coordination, and those that are not placed by regional law or order creating them under any specific department. TITLE III FUNCTIONS Chapter 6 Functions of the Different Offices in the Office of the Regional Governor Proper A. The Executive Council SECTION 1. The Executive Council. - The Executive Council shall be chaired by the Regional Governor with the Regional Vice-Governor and the three (3) Deputy Regional Governors as Council Members. The Executive Council shall advise the Regional Governor on matters of governance of the Autonomous Region. The three (3) Deputies shall be ex-officio members of the Regional Cabinet with or without portfolio. The Regional Governor may assign powers and functions to the Executive Council to promote the general welfare of the people of the autonomous region subject to the laws enacted by the Regional Assembly. SEC. 2. The Office of the Regional Vice-Governor. - The Office of the Regional ViceGovernor shall be headed by the Regional Vice-Governor and shall be assisted by a support staff. SEC. 3. Functions of the Regional Vice-Governor. - The Regional Vice-Governor, as provided for by law, shall: (1) Assist the Regional Governor in the administration of the ARMM; (2) Perform such functions as a member of the Executive Council; (3) Act as the Regional Governor in accordance with Sections 11 and 12 of Article VII of RA 9054; and (4) Perform other functions as may be designated by the Regional Governor. SEC. 4. The Office of the Deputy Regional Governors. - There shall be three (3) Offices of the Deputy Regional Governors to be headed by a Deputy Regional Governor, each representing the Christians, Indigenous Peoples and the Muslims in the region. SEC. 5. Functions of the Deputy Regional Governors. - The Deputy Regional Governors shall provide advisory or consultative services to the Regional Governor on matters concerning their respective sector, namely, the Christians, Indigenous Peoples and the Muslims. 28