(b) In the event of the failure of the city to pay to the fund, on or before such fifteenth day of September, all or part of such amount, the fund or its designate shall forthwith make and deliver to the comptroller of the state a certificate stating such amount and the sum, if any, paid by the city to the fund with respect to such amount and further stating the difference between such amount and such sum, and, after the state comptroller shall have promptly given written notice to the budget director, such difference shall be paid to the fund or its designate whichever makes and delivers such certificate by the state comptroller out of any succeeding payments of state aid apportioned to the city as per capita aid for the support of local government pursuant to section fifty-four of the state finance law or such other aid or assistance payable by the state to the city and not otherwise allocated as shall supersede or supplement such state per capita aid, including federal moneys apportioned to the city by the state; except, however, that prior to any deductions from any such aid or assistance, the moneys, if any, then payable to the city university construction fund pursuant to the provisions of the city university construction fund act or to the New York city housing development corporation pursuant to the New York city housing development corporation act or to the transit authority pursuant to chapter seven of the laws of nineteen hundred seventy-two shall be paid in full to such fund, corporation or authority.
(c) Since the fund's continued discharge of its public and governmental purpose to provide transit facilities is of benefit to the city, the city shall pay, within the appropriations available therefor, the expenses of the establishment and continued operation of the fund.
(d) The city shall have the power to enter into agreements with the transportation authority to which the transit authority may be a party, to pay for planning, design and feasibility studies undertaken or caused to be undertaken by the transportation authority.
(e) Notwithstanding any other provision of law, the city shall have the power to contract indebtedness and to issue its obligations pursuant to the local finance law for the purpose of financing any payment authorized or required to be made by this section. Any such payment shall constitute an object or purpose for which the period of probable usefulness is hereby determined to be five years.