StacksVerified U.S. regulatory reference

40 CFR §1090.120

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
This section provides an overview of general requirements applicable to an oxygenate producer (e.g., a DFE or isobutanol producer). A DFE producer must comply with the requirements for an oxygenate producer in paragraph (a) of this section and the additional requirements specified in paragraph (b) of this section.
  1. (a)Oxygenate producers. An oxygenate producer must comply with the following requirements:
    1. (1)Gasoline standards. An oxygenate producer must comply with the applicable requirements of subpart C of this part.
    2. (2)Registration. An oxygenate producer must register with EPA under subpart I of this part.
    3. (3)Reporting. An oxygenate producer must submit reports to EPA under subpart J of this part.
    4. (4)Certification and designation. An oxygenate producer must certify and designate the oxygenate they produce under subpart K of this part.
    5. (5)PTDs. On each occasion when an oxygenate producer transfers custody or title to any fuel, fuel additive, or regulated blendstock, the transferor must provide to the transferee PTDs under subpart L of this part.
    6. (6)Sampling, testing, and retention requirements. An oxygenate producer must conduct sampling, testing, and sample retention in accordance with subpart N of this part.
  2. (b)DFE producers. In addition to the requirements specified in paragraph (a) of this section, a DFE producer must meet all the following requirements:
    1. (1)Use denaturant that complies with the requirements specified in §§ 1090.270(b) and 1090.275.
    2. (2)Participate in a survey program conducted by an independent surveyor under subpart O of this part if the DFE producer produces DFE made available for use in the production of E15.