a. Subject to the provisions of subdivision b of this section, pursuant to the provisions of section sixty-two hundred twenty-seven of the education law, the contributions to the retirement system which, in any fiscal year of the city occurring after June thirtieth, nineteen hundred seventy-nine, are included in the approved programs and services of the city university of New York, as defined in section sixty-two hundred thirty of such law, shall be paid in such fiscal year by such city university.
b. Nothing contained in subdivision a of this section shall be construed as increasing, decreasing, altering or changing the obligations of the city, under sections sixty-two hundred twenty-one, sixty-two hundred thirty and sixty-two hundred thirty-one of such law (as in effect before and after the enactment of chapter nine hundred fifty-seven of the laws of nineteen hundred eighty-one) to appropriate and provide, in the manner, to the extent and for the periods prescribed by such sections, funds required to pay such contributions with respect to such periods. Nothing contained in subdivision a of this section shall be construed as increasing, decreasing, altering or changing the obligations of the state, under such sections of such law, to appropriate and provide the funds required for payment of such contributions in part or in whole and/or for reimbursement of the city in relation thereto, in accordance with the responsibilities of the state with respect to such payment and/or reimbursement, as provided for in such sections.