N.Y. Lab. Law § 239-a

§ 239-a. Enforcement of article. If the fiscal officer, as defined\nherein, finds that any contractor on service work fails to comply with\nor evades the provisions of this article, he shall present evidence of\nsuch noncompliance or evasion to the public agency having charge of such\nwork for enforcement. Where such evidence indicates a noncompliance or\nevasion on the part of a subcontractor, the contractor shall be\nresponsible for such noncompliance or evasion. It shall be the duty of\nthe public agency in charge of such service work to enforce the\nprovisions of this article.\n