Washington State University
Payroll Services
Taxes
New Employee Orientation
Address Changes
Online Earnings Statements
Contact Us
Strategic Plan
Map to Office
How's Our Website?
Home
Student Pay
Faculty & Staff Pay
DEPTPay Users
Non U.S. Citizens
Paydays
Taxes
Payment Decision Tree
Did You Know?
Disaster and Recovery Plan
Name Changes
2013 Withholding Tax Calculator
How to Successfully Complete Your W-4 Form
How To Calculate Your Withholding Tax
IRS On-line Withholding Calculator
2012 W2 Fast Facts
Tax Forms
W4 - 2013 Federal Withholding Tax Form
PDF format
2 pgs 114KB
History of Social Security (OASI) Taxes
History of the OASDI Contribution and Benefit Base
Social Security and Medicare Tax Rates
Medical Aid / Worker's Compensation
Industrial Insurance/Medical Aid Rate History
(opens new window)