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The New Jersey Form NJ-W4, Employee's Withholding Allowance Certificate, must be completed so that you know how much state income tax to withhold from your new employee's wages. The importance of having each employee file a state withholding certificate as well as a federal Form W-4 cannot be overstated, so make its completion a priority. (The federal form can be substituted for the state form, for state tax purposes.)
If for some reason an employee does not file one, you must withhold tax as if the employee had claimed no exemptions. If a married employee does not claim his married status on the form, the employer must withhold on the basis of the "single employee" withholding tables. Since the withholding rates for single employees are higher than those for married workers and since the amount of tax withheld from a given wage payment decreases as the number of exemptions claimed increases, it is important that you ask all employees to file the proper certificates.
The file is in Adobe Portable Document Format (.pdf), and you will need the free Acrobat Reader to view and print the file.
Toolkit is providing these tools free of charge. Some of these forms contain technical language and create significant legal obligations. Do not use any form without first having an attorney review the form and determine that it is suitable for the purpose for which you intend it.