Wisconsin Employer's Withholding Tax Guide Revised

The Wisconsin Employer's Withholding Tax Guide (Publication W-166) has been updated. The withholding tables and alternate methods of withholding (A and B) have been revised due to the new top individual income tax rate of 7.75 percent and bracket adjustment resulting from inflation.

The revised withholding tables or alternate methods should be implemented no later than October 1, 2009.

Page last updated July 27, 2009