Listed below are the links for the state and D.C. agencies most useful to payroll professionals.  In order they are: Wage and Hour Law, Income Tax, Unemployment Insurance, Child Support, and New Hire Reporting.
Note: Mississippi does not have a Department of Labor but follows federal regulations
Please e-mail us to report any broken links. 
The Payroll Advisor
Your Source for Payroll Training Since 1989
State Web Links
Wage and Hour Law:
State Income Tax:
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

Unemployment Insurance:
Child Support: 
New Hire Reporting: