N.J. Stat. Ann. § 52:14-15.7

The disbursing officer shall furnish to each such person on or before February fifteenth in each year, a written statement showing the deductions made during the preceding year and the amount held at the end of said preceding year to the credit of such person. If such deduction cease during any calendar year, the disbursing officer shall furnish to such person a written statement showing the deductions made since the first day of said calendar year and the amount held to the credit of such person at the time such deductions cease.