Administrative Code of 1987
Section 31. Duties of Assistant Heads and Subordinates. -
(1) Assistant heads and other subordinates in every bureau or office shall perform such duties as may be required by law or regulations, or as may be specified by their superiors not otherwise inconsistent with law;
(2) The head of bureau or office may, in the interest of economy, designate the assistant head to act as chief of any division or unit within the organization, in addition to his duties, without additional compensation; and
(3) In the absence of special restriction prescribed by law, nothing shall prevent a subordinate officer or employee from being assigned additional duties by proper authority, when not inconsistent with the performance of the duties imposed by law.