Sec. 1A. INTERPRETATION OF ACT. This Act does not and may not be interpreted to:

(1) relieve the city, the pension board, or the pension system of their respective obligations under Sections 8A through 8F of this Act;

(2) reduce or modify the rights of the city, the pension system, or the pension board, including any officer or employee of the city, pension system, or pension board, to enforce obligations described by Subdivision (1) of this subsection;

(3) relieve the city, including any official or employee of the city, from:

(A) paying or directing to pay required contributions to the pension system or fund under Section 8 or 8A of this Act or carrying out the provisions of Sections 8A through 8F of this Act; or

(B) reducing or modifying the rights of the pension board and any officer or employee of the pension board or pension system to enforce obligations described by Subdivision (1) of this section;

(4) relieve the pension board or pension system, including any officer or employee of the pension board or pension system, from any obligation to implement a benefit change or carry out the provisions of Sections 8A through 8F of this Act; or

(5) reduce or modify the rights of the city and any officer or employee of the city to enforce an obligation described by Subdivision (4) of this section.