N.J. Stat. Ann. § 34:15-80

Every employer who has complied with the provisions of this article shall post and maintain in a conspicuous place or places in and about his place of business, typewritten or printed notices in such form as the commissioner of banking and insurance may prescribe stating that he has secured the payment of compensation to his employees and their dependents in accordance with the provisions of this article and shall name the company or companies insuring his liability, or shall state that the employer has qualified before the commissioner of banking and insurance for the carrying of his own liability.