As mandated by the State of Nebraska Department of Revenue, an employer must provide an employee with the Employee's Nebraska Withholding Allowance Certificate, Form W-4N, if the employee completes a federal Form W-4.
As mandated by the State of Wisconsin Department of Revenue, all employers must provide new employees hired on or after January 1, 2020, with an Employee's Wisconsin Withholding Exemption Certificate/New Hire Reporting, Form WT-4.
Updated to reflect federal income tax withholding changes for expatriates and nonresident aliens due to the new federal Form W-4, effective January 1, 2020.
Employers may use IRS Publication 15-T, Federal Income Tax Withholding Methods, to figure the amount of federal income tax to withhold from their employees' wages.