New Jersey Statutes Title 34. Labor and Workmen's Compensation 34 § 8C-2

a. Any labor contractor that provides workers to a client employer in the construction industry shall:

b. All certifications required by this act shall, in compliance with standards promulgated by the commissioner, be kept in written form on file by the contractor for not less than three years after the period of time to which they apply and be provided to the commissioner upon request, and provided to any client employer to whom the contractor provides workers at the time that the workers are provided. The client employer shall also keep the written certifications on file for a period of not less than three years after the period to which they apply and provide them to the commissioner upon request.