New Jersey Statutes Title 2A. Administration of Civil and Criminal Justice 2A § 17-38

When a sheriff or other officer makes a sale by virtue of an execution or executions to him directed, he shall, within 30 days thereafter, make and file, with his bill of costs or execution fees, in the office of the clerk of the court out of which the execution or executions issued, a true statement and calculation, in order of time, of the execution or executions by virtue of which the sale was made, the amount or amounts due thereon, respectively, at the time of the sale, the time or times of sale and the amount of the sales.  The statement shall be certified under the hand of the officer making and filing it, and shall be conclusive against the officer only.  If there be more sales than 1, the statement shall be made and filed within 30 days after the final sale.