"Client employer" means a business entity, regardless of its form, that obtains or is provided workers, directly from a labor contractor or indirectly from a subcontractor, to perform labor or services within its usual course of business, but does not include a "contractor" as defined in section 3 of P.L. 1999, c. 238(C.34:11-56.50).
"Labor contractor" means any individual or entity that supplies, either with or without a contract, directly or indirectly, a client employer with workers to perform labor or services within the client employer's usual course of business, except that "labor contractor" does not include a bona fide labor organization or apprenticeship program, or a hiring hall operated pursuant to a collective bargaining agreement.
"Usual course of business" means the regular and customary work of a business, performed within or upon the premises or worksite of the client employer, or any other place of business of the client employer for which services or labor are performed.
N.J.S. § 34:11-58.2