Sec. 1A. INTERPRETATION OF ARTICLE. This article does not and may not be interpreted to:

(1) relieve the city, the board, or the pension system of their respective obligations under Sections 9 through 9E of this article;

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

(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 under Section 8 or 9 of this article or carrying out the provisions of Sections 9 through 9E of this article; or

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

(4) relieve the pension system or board, including any officer or employee of the pension system or board, from any obligation to implement a benefit change or carry out the provisions of Sections 9 through 9E of this article; 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.