Check Your State's Tax Rules

Per Diem Rates from the U.S. General Services Administration

Search by city, state or ZIP code, or by clicking on the map. You can also use the new per diem tool to calculate trip allowances

Rates are set by fiscal year, effective October 1 each year. Find current rates in the continental United States ("CONUS Rates").

Check Your State's Tax Rules


Get state tax forms, tax rates, tax changes, and more.

Avoid costly penalties!

Use the IRS Online Tax Calendar
to check filing and deposit deadlines.