IFTA Deadlines for Northwest States: What Truckers Need to Know
- Amber Tabb
- May 5
- 2 min read

IFTA Deadlines for Northwest States
If you operate in the Northwest, staying on top of your International Fuel Tax Agreement (IFTA) deadlines is critical. Missing a filing deadline can result in penalties, interest, or even suspension of your IFTA license. Whether you run through Washington, Oregon, Idaho, or Montana, understanding the schedule keeps your operation compliant and on the road. IFTA requires motor carriers to file fuel tax reports quarterly. These deadlines are standardized across all member jurisdictions, including the Northwest states.
Northwest States Covered Under IFTA
If you operate in the Northwest region, these are the primary states you need to be aware of:
Washington
Oregon
Idaho
Montana
Each of these states participates in IFTA, meaning you only file one quarterly return with your base jurisdiction, and it distributes the taxes to other states where you traveled.
2026 IFTA Filing Deadlines
No matter which Northwest state you’re based in, IFTA deadlines follow the same quarterly schedule:
Q1 (Jan – Mar): April 30, 2026
Q2 (Apr – Jun): July 31, 2026
Q3 (Jul – Sep): October 31, 2026
Q4 (Oct – Dec): January 31, 2027
These returns are due on the last day of the month following each quarter. If the deadline falls on a weekend or holiday, it moves to the next business day.
Why Filing On Time Matters
Missing an IFTA deadline isn’t just a small mistake—it can cost you:
Late filing penalties
Monthly interest charges
Possible suspension of your IFTA license
Even if you didn’t run any loads during the quarter, you may still be required to file a zero return.
How ExpressTruckForms Simplifies IFTA Filing
Managing IFTA manually can be time-consuming, especially when you’re juggling loads, routes, and compliance. ExpressTruckForms helps you:
File IFTA returns quickly and accurately
Avoid missed deadlines with reminders
Keep all your tax records organized in one place
Contact us now to get started:
📞 Phone: (704) 243-9692
✉️ Email: support@expresstruckforms.com




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