The chief code enforcement officer is authorized and directed to administer and enforce all of the provisions of this code. Whenever in this code, it is provided that anything must be done to the approval of or subject to the direction of the chief code enforcement officer or any  other officer of the department of code enforcement, this shall be construed to give such officer only the discretion of determining whether this code has been complied with; and no such provision shall be construed as giving any officer discretionary powers as to what this code shall be, or power to require conditions not prescribed by ordinances or to enforce this code in an arbitrary or discriminatory manner. (Prior code § 5-5)