An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Fuels Registration, Reporting, and Compliance Help

If a producer is able to change its D code, can it make retroactive changes in the D code of the RINs it has issued previously during the year or earlier if the production during the previous period would meet the newly classified D code criteria?