Section 10
SEC. 10. The Commission shall have its office in the City of Manila at such place as may be designated, and may hold hearings on any proceedings at such times and places, within the Philippines, as it may provide by order in writing: Provided, That during- the months of April and May of each year, the Commissioner shall be on duty and Deputy Commissioner on vacation, or vice versa, in such manner that at least one of them shall be on duty during the vacation months once in every two years: Provided, further, That nothing hereinbefore provided shall prevent either of the Commissioners from rendering service and performing his duties during the vacation months when the interest of the public service shall require it: Provided, lastly, That notwithstanding the above provisions, the Commissioners shall be entitled to enjoy accrued leave and retirement privileges in the same manner as prescribed for judges of the Court of First Instance.