SEC. 21. Powers and Duties of the RBOI Chairperson. – The Chairperson of the RBOI shall have the following functions: (1) Act as Chairperson of the Board of Governors; (2) Render annual reports to the Regional Governor and such special reports as may be requested; (3) Recommend to the Board of Governors such policies and measures he/she may deem necessary to carry out the objectives of Regional Investments & Incentives Code; (4) Coordinate with the DTI Regional Secretary on matters pertaining to domestic and international investment missions for the Autonomous Region; and (5) Exercise such other powers and perform such other duties as may be directed by the Board of Governors from time to time. SEC. 22. Powers and Duties of the RBOI Vice-Chairperson. - The Vice-chairperson of the RBOI Board of Governors shall preside over all meetings of the Board of Governors in the absence of the Chairperson. SEC. 23. Appointment of Board Personnel. – The Board shall appoint its technical staff and other personnel subject to Civil Service law, rules and regulations including positions that may be created by a regional law. SEC. 24. Powers and Functions of the Executive Office. - The following are the powers and functions of the Regional Board of Investments (RBOI): (1) Approve or disapprove applications for registration under Presidential Executive Order No. 226 otherwise known as the Omnibus Investment Code of 1987; (2) Evaluate incentives to be availed by enterprises registered with the RBOI; (3) Supervise enterprises duly registered with the RBOI including those enterprises previously registered with the Board of Investments; (4) Cancel Certificate of Registration of enterprises in case of violation of terms and conditions of their respective registration; (5) Coordinate and collaborate with the members of the ARMM-Regional Economic and Development Planning Board (REDPB), LGU‟s, Business, Councils and other related Offices/Organizations in the drafting of the ARMM Investment Priority Plan (IPP) and promotion of priority investments thereof; (6) Grant the incentives specified under Book I, Title III, Article 39 of Presidential Executive Order No. 226, series of 1987, to wit: (a) Income Tax Holidays; 166