Section 12. Regional Offices, Field Offices, Sub-Offices. - The Commission is hereby authorized to establish, operate, and maintain Regional Offices in such appropriate administrative regions of the country, each of whfch shall be headed by a Regional Director. A Regional Director shall have, within its region, the following functions: (a) Implement laws and policies, plans, programs, projects, rules and regulations of the Commission; (b) Provide efficient and effective service to the Muslim Filipinos; (c) Coordinate with regional offices of other department, offices, and agencies of the Executive Department; (d) Coordinate with local government units; and (e) Perform such other functions as may be provided by law. Section 13. Had Attache. - The President shall appoint a Hajj Attache from among the three (3)recommendees of the Commission. The Hajj Attache shall coordinate with the Ministry of Haji of the Kingdom of Saudi Arabia on all matters pertaining to the conduct of the annual Haji. Section 14. AmirulHafi. - The President shall appoint an Amirul Haji from the three (3) recommendees of the Commission who shall come from the Autonomous Region in Muslim Mindanao, Association of Shiekhs, and Ulama Conference of the Philippines. The Amirul Haji shall serve as the representative of the President and as the head of the Muslim Filipino Pilgrims who will attend the annual Hajji. Section 15. Change of Pilgrim’s Name. - The Cornmission shall authenticate the certification which is issued by the Haji Attache and the 17