Box 19 on the W-2 form is for reporting local income tax withheld from the employee's wages 2 which should be in box 18 and box 20 should have the localityname if you have a local income tax. If you are referring to New Jersey Family Leave Insurance, it should be entered in box 14 with the description "NJ FLI TAX
contact your employer because it may need to issue corrected w-2s to all those affected.
