Section 77. Limitation of powers conferred by section 71 to 76.

77. (1) The provisions of sections 71, 73, 74, 75 and 76 shall be subject to the provisions of- (a) section 78, and (b) any rule1 in particular of any rule imposing any conditions on the appointment of persons to offices or any particular office requiring professional skill, and on the suspension or dismissal 2"removal or other punishment of discharge or termination of service" of persons so appointed. (2) The provisions of sections 74, 75 and 76 shall also be subject to the provisions of any regulation raising any maximum or minimum monthly salary prescribed in those sections with reference to the respective powers of the Municipality, the [President]3 and the Executive Officer over the staff.