§ 239-a. Enforcement of article. If the fiscal officer, as defined
herein, finds that any contractor on service work fails to comply with
or evades the provisions of this article, he shall present evidence of
such noncompliance or evasion to the public agency having charge of such
work for enforcement. Where such evidence indicates a noncompliance or
evasion on the part of a subcontractor, the contractor shall be
responsible for such noncompliance or evasion. It shall be the duty of
the public agency in charge of such service work to enforce the
provisions of this article.