How IFTA Works in Delaware

If you operate qualified motor vehicles across state lines from Delaware, you’re required to stay compliant with the International Fuel Tax Agreement (IFTA). This agreement simplifies fuel tax reporting by allowing carriers to file one quarterly return covering all participating jurisdictions. Knowing how Delaware's IFTA operates will help you make sure your reports are timely and accurate.  

Delaware IFTA Vehicle Requirements 

A vehicle is considered IFTA-qualified if it meets any of the following conditions:

• Has two axles and a gross vehicle weight over 26,000 pounds
• Has three or more axles, regardless of weight
• Is used in combination (such as a tractor-trailer) with a total weight exceeding 26,000 pounds 

Delaware IFTA Renewals

IFTA licenses and decals in Delaware are valid for one calendar year. All licenses expire on December 31st, and the renewal process usually starts in November for the next year. The deadline for carriers to show off their new markings is March 1. By renewing on time, you can prevent delays or penalties for using expired credentials. 

With IFTA.Online, renewing your IFTA in Delaware is simple. Just select your state and choose “IFTA Renewal” as the service type, and our team will handle the entire process for you. 

Quarterly Delaware IFTA Filing Requirements

IFTA licenses and decals in Delaware are valid for one calendar year. The renewal period typically begins in November for the upcoming year, and all licenses expire on December 31. Carriers have until March 1 to display their new decals. Renewing on time helps avoid delays or fines for operating with expired credentials.

When Are Quarterly DE IFTA Returns Due

Note: Even if no fuel was used, a Delaware fuel tax report needs to be submitted. 

What to Expect from an IFTA Audit in Delaware

The Delaware DMV may conduct periodic audits to ensure carriers’ reported data matches their actual mileage and fuel usage.

• Carriers should maintain trip reports, odometer readings, and fuel receipts for at least four years.
• Incomplete or inaccurate records can lead to tax assessments or penalties.
• Proper documentation ensures smooth audit results and ongoing compliance. 

IFTA Penalties in Delaware

There may be penalties and interest if IFTA filings are not filed or taxes are not paid on time. In Delaware, there is usually a $50 penalty for late filings or 10% of the tax owed, whichever is higher. Additionally, interest is charged at a monthly rate of 1% on any outstanding debt. 

Get Help with IFTA Filing in Delaware with IFTA.Online

Managing IFTA reports, renewals, and recordkeeping can be time-consuming and complex. IFTA.Online simplifies the process by assisting Delaware carriers with accurate quarterly filings, renewal management, and proper recordkeeping to stay audit-ready. With expert guidance and timely filing support, you can ensure compliance, avoid penalties, and keep your operations running smoothly.