N.J. Stat. Ann. § 17:28-6

No distinction shall be made in the premium rates or rates of dividends between policies covering financed automobiles and policies covering other automobiles. No certificate of insurance shall be issued or delivered in this State except in connection with a master policy issued or delivered in this State. Every certificate of insurance required to be issued under a master policy and every individual contract issued shall be delivered by the insurer to the purchaser or owner. The Commissioner of Banking and Insurance shall have authority to issue, amend, supplement and rescind such regulations as are in his judgment necessary to enforce the requirements of this act.