N.Y. Civil Service Law § 115
2. For the purpose of this section:
3.
(b)
(c) An action to recover the damages or equitable relief prescribed in paragraph (b) of this subdivision may be maintained against any employer in any court of competent jurisdiction by any one or more employees or their representative for or on behalf of:
4.
(a) It shall not be a violation of this section for an employer to pay different compensation to employees, where such payments are made pursuant to: