Claim Credits on Undyed Diesel Fuel Sales

IRS Form 8849 Schedule 1

What Is the Sales by Registered Ultimate Vendors Undyed Diesel Fuel Credit?

  • Sales by Registered Ultimate Vendors of Undyed Diesel Fuel (Line 7) credit is a federal excise tax credit that is provided to registered ultimate vendors who sold undyed diesel fuel that had been purchased at a tax-paid price, but was used for eligible non-taxable or exempt purposes.
  • Fuel Type: This only applies to undyed diesel fuel (not dyed under IRS rules and typically taxed at the federal excise rate).
  • Vendor: The claimant should be the registered ultimate vendor as defined by the Internal Revenue Service (IRS).
  • Single Claim Rule: Only single claims made on a particular gallon of diesel fuel.
  • Filing Method: This credit is allowed on the Schedule C on Line 7 of Form 720, a quarterly federal excise tax filing.

Who Is an Eligible Vendor for Diesel Fuel Credit Claims?

A qualified diesel fuel credit claimant is a registered ultimate vendor who is entitled to claim federal excise tax credits on undyed diesel fuel sold to a qualified non-taxable use.

Core Eligibility Criteria

IRS Registration as an Ultimate Vendor

  • The company must be registered by the IRS as an ultimate registered diesel fuel vendor. Without this status, it is not possible to claim a credit.

Sale of Undyed Diesel Fuel to Qualified End Users

  • The seller should sell the undyed diesel fuel tax-paid to the customers who utilize it for non-taxable activities like farming, off-highway, or exempt.

Fuel Used for Approved Non-Taxable Purposes

  • Farming activities and machinery.
  • Construction, industrial use: off-highway business equipment.
  • Tax-exempt organizations or the government.

Proper Buyer Certification and Usage Declaration

  • Vendors should acquire and hold valid buyer statements or exemption certificates stating that the fuel will be subject to qualifying non-taxable purposes.

Proper Reporting of IRS Schedule C (Form 720).

  • Eligible vendors must report the credit on a Schedule C that is to be attached to Form 720 and is guaranteed to
  • Proper selection of IRS line number (Schedule C - Line 7)
  • Accurate gallon calculations based on qualifying sales

Vendor Diesel Rates

Use Category Credit Rate Eligible Buyers/Use Key Vendor Requirement
State/Local Government $0.243 State, local, or tribal governments Proof of government use (e.g., exemption certificate)
Intercity/Local Bus $0.17 Qualified bus operators Valid Model Waiver N from buyer

Claim Amount and Claim Period

Claim period

  • The claim should be based on diesel fuel that was sold over a duration of at least one week. This is usually accompanied by claims made quarterly in Schedule C (Form 720).

Minimum claim amount

  • You can use a combination of Lines 7, 8, and 9 of Schedule C to meet the minimum (other fuel-related credits).

Steps to File Your Vendor Diesel Fuel Credit

STEP 1

Have Your Registration as a Registered Ultimate Vendor

  • Check your UB registration number and ensure that you are the registered ultimate vendor of undyed diesel fuel.

  • Make sure that your buyers have presented the necessary certificate or waiver (Model Certificate P / Model Waiver N) in respect of every qualified sale.

STEP 2

Collect Sales and Usage Information

  • Undyed diesel fuel in gallons.

  • Buyer type (state/local government, tribal government, or intercity/local bus operator).

  • Dollar prices and dates of sale.

STEP 3

Calculate Your Vendor Diesel Fuel Credit

  • For Line 7a

  • Credit = eligible gallons * 0.243

  • For Line 7b (with valid waiver)

  • Credit = eligible gallons * 0.17

These amounts can be calculated automatically by an e-filing system, depending on your data uploads.

STEP 4

Fill out Schedule C (Form 720) Line 7

  • Enter the claim period and your registration number.

  • Record gallons and credit balances on Line 7a and/or Line 7b accordingly.

  • Proper selection of IRS lines (Schedule C - Line 7).

  • Proper gallon to credit calculation.

  • No claims on the same gallon.

STEP 5

Submit to the IRS

  • File your Form 720 with Schedule C electronically by the use of the IRS Modernized e-File (MeF) system.

  • Receive electronic acknowledgment from the IRS; processing times may vary depending on filing volume.

Benefits of E-Filing Your Vendor Diesel Fuel Credit

Faster processing and acknowledgment

  • E-filing saves on turnaround time as compared to paper returns.

Greater accuracy and fewer errors

  • Lines 7a and 7b are prone to making errors that are avoided through automated calculations and real-time validation.

Secure and compliant submission

  • The sales data of vendors undyed diesel fuel is sent via an e-filing channel approved by the IRS.

Better record-keeping

  • Keep records of all vendor diesel fuel in a single dashboard to be audited and reported.

Common Mistakes to Avoid

Taking the same gallon of diesel fuel as a purchaser and as a seller.

The submission of Line 7b without a valid, unexpired waiver from the buyer.

Substituting undyed diesel fuel with dyed (visible dye) diesel fuel.

Incorrectly applying the $200 minimum threshold to Schedule C (this applies only to Form 8849 claims)

Failure to store certificates, waivers, and fuel-sale records not less than 4 years.

Start Your Vendor Diesel Fuel Credit Claim Today

File Your Vendor Diesel Fuel Credit - Claim Sales by Registered Ultimate Vendors of Undyed Diesel Fuel Online

File Form 720 Now

Frequently Asked Questions

The vendor diesel fuel credit allows registered ultimate vendors of undyed diesel fuel to recover the federal excise tax on diesel sold to eligible buyers, such as state/local governments and intercity/local bus operators, when the fuel is used for non-taxable or exempt purposes.

The registered ultimate vendor of the undyed diesel fuel can only claim the credit, but the requirements include the necessary certificate or waiver on the part of the buyer and the use conditions of the IRS requirements.

The diesel that is sold in line 7a can only be used by the state or local government at 0.243 per gallon.

Line 7b is diesel sold to be used in some intercity and local buses at a rate of $0.17 per gallon, though the purchaser must produce an effective waiver.

Yes. In the case of Line 7b, the buyer should waive their rights to the credit by submitting a waiver (Model Waiver N) to the vendor that is not out of date.

Without this waiver, the vendor is not entitled to claim Line 7b.

If you are filing using Schedule C of Form 720, there is no minimum claim requirement, and you can report any eligible credit amount. The $200 minimum applies only when filing a refund claim using Form 8849.