Washington IFTA State Tax: An Overview

Do you own a trucking business in Washington? It’s important you register the vehicles in your fleet for IFTA filing to avoid penalty. Let us guide you further.

It is of utmost importance that you file your Washington state quarterly taxes before the due deadlines as late filing may result in a penalty of $50 or 10% of the net tax liability. Renewal applications for existing IFTA accounts can be completed in person, online, or by mail. Here, we explain the Washington IFTA decal application process in detail:

  • Submit your Washington IFTA decal application to the Department of Licensing by mail or in person.
  • Pay $10 as the fee per vehicle.
  • You are going to need one set of decals per qualified vehicle.
  • The process generally takes a couple of weeks.
  • Apply in person to avail same day decals.

Frequently asked questions

January, February, March: April 30

April, May, June: July 31

July, August, September: October 31

October, November, December: January 31

Factors such as total miles, total gallons, miles by jurisdiction, and gallons by jurisdiction need to be considered when filing your state fuel tax.

IFTA accounts will only be closed in good standing once all returns have been filed in addition to paying any balance due on the account.

You can find all the relevant information on https://www.dol.wa.gov/vehicleregistration/ftifta.html.

The penalty could vary between 5 to 10 percent depending on how many days surpassed since the due date.