N.J. Stat. Ann. § 17:16F-13

The Commissioner of Banking shall, in addition to other regulatory powers, have the authority to promulgate rules and regulations, pursuant to the "Administrative Procedure Act," P.L.1968, c.410 (C.52:14B-1 et seq.), applicable to the mortgage loan application and commitment process of lenders making mortgage loans to borrowers secured by properties located in New Jersey, including the regulation of lock-in agreements and fees associated therewith, to assure that borrowers are treated fairly in the process and are afforded adequate protection from arbitrary changes in the commitment terms or interest rates on their mortgage loans.