N.Y. Public Authorities Law § 1738
2. a. Notwithstanding the provisions of any other general or local law, administrative code or ordinance to the contrary, any employee of the authority who was suspended on or after December first, two thousand two because of economy measures taken by the authority, and who returned to such service prior to January eighth, two thousand eight, shall be deemed to have been in continuous service in determining length of service for retirement purposes; provided, however, that for retirement purposes, a member receiving such service credit shall pay the additional member contributions prescribed by paragraph b of this subdivision. Notwithstanding any other provision of law to the contrary, a person who otherwise meets the requirements of this paragraph for obtaining retirement service credit for such period of suspension, and who, after returning to such service from such period of suspension, retired for service or disability from a position with the authority prior to the effective date of this subdivision, may obtain retirement service credit for such period of suspension by (i) filing with the retirement system an application to purchase such retirement service credit within one hundred twenty days after the effective date of this subdivision, and (ii) paying to the retirement system the amount required by paragraph b of this subdivision within one year after the effective date of this subdivision. b. In addition to the regular member contributions that may be payable for his or her current service, such member shall pay by deductions from his or her compensation the following additional member contributions: