The withholding tables and alternate methods of withholding (A and B) have been revised. The withholding tables are found in the
Wisconsin Employer's Withholding Tax Guide (Publication W-166) and are effective for payroll periods beginning on or after April 1, 2014. Employers are required to implement the revised withholding tables or alternate methods no later than April 1, 2014.
January 28, 2014