N.J. Stat. § 45:22-10
The Commissioner of Banking and Insurance may at any time investigate the business of all licensees, either personally or by any person designated by him, and for the purpose of effectuating this article the Commissioner of Banking and Insurance or the person so designated shall have free access, during the usual business hours, to the licensee's place of business, to the books, papers, records, safes and vaults of the licensee wherever located, and shall also have the authority to examine, under oath, any person whose testimony he may require relative to such business. The cost and charges of any such examination or investigation shall be borne by the licensee. Absent a determination by the commissioner that good cause exists, the cost of the examination shall not exceed $2,500. The examination shall be conducted in accordance with generally accepted examination procedures and pursuant to established and objective criteria developed by the commissioner. The department shall issue to the licensee an itemized invoice setting forth the number of hours and the work performed in connection with the examination.
N.J.S. § 45:22-10