Who Needs an IFTA License in Washington?
You generally must register for IFTA in Washington if your commercial vehicle:
- Operates in two or more states or Canadian provinces
- Has a gross vehicle weight over 26,000 pounds
- Has three or more axles regardless of weight
- Operates as a combination vehicle exceeding 26,000 pounds GVW
Recreational vehicles are excluded from IFTA requirements.
Step 1: Gather Required Information
Before applying, Washington requires carriers to have:
- A Washington business location
- A USDOT number
- A Unified Business Identifier (UBI) number
- Vehicle and fleet information
- Business contact information
- Records storage location details
If you use a service agent, you may also need a notarized power of attorney form.
Step 2: Create a License Express Account
Washington uses the License Express for Prorate and Fuel Tax system for IFTA accounts.
You must first create an online account through the Washington Department of Licensing system before adding your IFTA account.
Step 3: Complete the IFTA Application
When completing your IFTA registration, you will need to:
- Select “IFTA” as the account type
- Choose your account opening date
- List at least one additional jurisdiction where you operate outside Washington
- Indicate whether you maintain bulk fuel storage
- Confirm business and records addresses
- Add company contact information
Washington also allows applications:
- Online
- By mail
- In person at prorate and fuel tax offices
Step 4: Order IFTA Decals
Each qualified vehicle must display:
- One decal on each side of the cab
- A copy of the IFTA license inside the vehicle
Washington issues decals annually, and carriers must renew them every year.
Step 5: File Quarterly IFTA Returns
After registration, carriers must file quarterly fuel tax reports even if:
- No miles were driven
- No fuel was purchased
- Operations stayed only in Washington
Quarterly filing deadlines are:
- April 30
- July 31
- October 31
- January 31
Important Recordkeeping Requirements
Washington requires carriers to maintain detailed records including:
- Mileage by jurisdiction
- Fuel receipts
- Trip reports
- Vehicle information
Failure to maintain accurate records can result in penalties or audits.
Final Thoughts
Registering for IFTA in Washington helps interstate trucking companies stay compliant with fuel tax laws while simplifying multi-state reporting requirements. Proper registration, decal display, and quarterly filing are all essential for avoiding penalties and maintaining legal interstate operations.