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Fuels Registration, Reporting, and Compliance Help

How to Report Attest Engagements

Below is a step-by-step process for submitting attest engagements per Title 40 CFR Part 80 Subpart F.

Follow these steps to report.

STEP 1: Determine whether the submitter has access to report.

A user must be registered and assigned the proper roles to submit attest engagements.

For more information, see: How to Become a Delegated User of a Registered Company in OTAQREG (PDF) (4 pp, 352 K, June 2018, EPA-420-B-18-032, About PDF)

STEP 2: Determine deadlines.

Attest engagements are submitted annually.

For more information, see: Reporting deadlines for Fuel Programs

STEP 3: Read general instructions for all attest engagements.

Title 40 CFR Part 80 Subpart F contains attest procedures related to the qualifications of the attest auditor, applicable definitions, guidelines for sample sizes, and reporting and record retention requirements.

Include the following information:

  • The four digit EPA Company ID and name
  • If attest engagement is specific to an individual facility (i.e., gasoline refinery), include the five digit facility ID and name

EPA publishes updated registration information, including ID numbers, at https://www.epa.gov/fuels-registration-reporting-and-compliance-help/registered-companies-and-facilities-fuel-programs

For more information, see: 40 CFR Part 80 Subpart F

STEP 4: Read program-specific instructions.

In addition to the general instructions, each program has specific instructions.

For more information, click the tab above or go to: Program-specific instructions for attest engagements

STEP 5: Submit attest engagements through EPA's Central Data Exchange.

To submit a file electronically, read this user guide:  User guides for OTAQDCFUEL in CDX

For instructions on how to submit attest engagement, see: How to Manage Attest Engagement Submissions in OTAQREG (PDF) (13 pp, 953 K, September 2018, EPA-420-B-18-041, About PDF).