New Jersey Statutes Title 2A. Administration of Civil and Criminal Justice 2A § 17-9

The sheriff or officer to whom an execution is delivered shall, when he returns the execution and without making a charge therefor, return and file therewith, in the office of the clerk of the court out of which the execution issued, a verified statement of the amount of money, if any and the time when collected, the balance, if any due on the execution and the items of his bill of costs or execution fees. The statement shall be conclusive only against the sheriff or officer making it, and, until returned and filed, no costs or fees on the execution shall be collectible from plaintiff in execution.