N.J. Stat. Ann. § 17:9A-63.1

Notwithstanding any other law of this State, a banking institution which makes a charge or imposes a fee in excess of that permitted by P.L. 1948, c. 67 (C. 17:9A-1 et seq.), R.S. 31:1-1 et seq. or any other applicable law, shall have no liability for that charge or imposition if, within 60 days after discovering the excess charge or imposition, either through its own procedures or through an examination, and prior to any action being commenced or written notice being received from the obligor, the banking institution notifies the person or entity concerned of the error and makes whatever adjustments are necessary to assure that the person or entity will not be required to pay any amount in excess of the amount permitted to be charged or imposed.