The Environmental Protection Agency (EPA) is finalizing modifications of certain compliance dates under the Renewable Fuel Standard (RFS) program. First, EPA is extending the RFS compliance reporting deadline and the associated attest engagement reporting deadline for the 2019 compliance year for small refineries only. Second, EPA is extending the RFS compliance reporting deadline and the associated attest engagement reporting deadline for the 2020, 2021, and 2022 compliance years for all obligated parties. Finally, EPA is changing the way in which future RFS compliance and attest engagement reporting deadlines are determined.