New York Consolidated Laws, Correction Law - COR § 874. When employment prohibited

(1) it is ascertained by the sheriff that such employment will result in the displacement of employed workers, or be applied in skills, crafts or trades in which there is a surplus of available labor in the locality, except in the case of a prisoner who is to be employed by an employer for whom he was employed as a free person prior to the commencement of his sentence, and;

(2) the rates of pay and other conditions of employment are not at least equal to those paid or provided for work of a similar nature in the locality in which the work is to be performed.