SEC. 4. Organizational Structure. - The Department shall consist of the Department Proper, Provincial Health Offices, District Health Offices as well as ARMM retained hospitals and rural health units and barangay health stations. Chapter 2 Department Proper SEC. 5. Office of the Regional Secretary. - The Office of the Regional Secretary shall consist of the Regional Secretary and his/her immediate staff; the Regional Epidemiology & Surveillance Unit (RESU); the Health Emergency Management Unit (HEMU); the Management Support Divisions under it. SEC. 6. Office of the Assistant Regional Secretaries. - The Regional Secretary shall be assisted by two (2) career Assistant Regional Secretaries. SEC. 7. Functions of the Assistant Regional Secretaries. Assistant Regional Secretaries shall perform the following functions: The two (2) career (1) Assistant Regional Secretary for Field Operations - supervise field health services component of operation including but not limited to public health or preventive aspect of health operations; and (2) Assistant Regional Secretary for Hospital Operations - supervise the hospital base operation component including but not limited to hospital services or curative aspect of health operations with respect to technical matters. Chapter 3 Department Services SEC. 8. Services of the Department. - The Department Services shall consist of Field Health Services and the Hospital Operations which shall be supported by the following divisions a) Administrative Division, Finance Division, Health Human Resource Development Division (HHRDD), and Technical Division. SEC. 9. Field Health Services. - The field health services shall be delivered through the Integrated Provincial/ City Health Offices. SEC. 10. Hospital Operations. - The hospital operations shall be implemented by ARMM retained hospitals. Chapter 4 Integrated Provincial Health Offices (IPHO) and City Health Offices (CHO) Subject to Section 3, Article III and Section 1, Article IV of RA 9054 mandating the Regional Government to adopt a policy on local autonomy whereby regional powers shall be devolved to local government units, provincial/city health offices, district health offices, district 101