This document provides step-by-step instructions for using the web form in the CDX OTAQ Registration System (OTAQREG) to submit Attest Engagements for the Renewable Fuel Standard (RFS) without logging into the CDX DCFUEL application.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- OTAQREG Attest Engagements User Guide v1.0 (PDF)(23 pp, 2 MB, November 2014)