New Jersey Statutes Title 17B. Insurance 17B § 30-10

No insurer shall retain, invest in or acquire the whole or any part of the capital stock of any other insurer or insurers, or have a common management with any other insurer or insurers which shall by reason of such retention, investment or acquisition of such capital stock, or common management, substantially lessen competition generally in the business of insurance or annuity or create a monopoly therein.