N.J. Stat. § 56:8-157
As used in this act:
"Existing business relationship" means a relationship formed by a voluntary two-way communication between a person or entity and a residential or business subscriber with or without an exchange of consideration, on the basis of an inquiry, application, purchase, membership or transaction by the residential or business subscriber regarding products or services offered by such person or entity.
"Nonprofit organization" means a nonprofit organization that is exempt from federal taxation pursuant to Section 501(c)(3) of the federal Internal Revenue Code (26 U.S.C. s. 501(c)(3)) or section 501(c)(6) of the federal Internal Revenue Code (26 U.S.C. s. 501(c)(6)).
"Telephone facsimile machine" means equipment which has the capacity to transcribe text or images, or both, from paper into an electronic signal and to transmit that signal over a regular telephone line or to transcribe text or images, or both, from an electronic signal received over a regular telephone line onto paper.
"Unsolicited advertisement" means any material advertising the commercial availability or quality of any property, goods, or services which is transmitted to any person without that person's prior express invitation or permission.
N.J.S. § 56:8-157