---
kind: "section"
citation: "40 C.F.R. § 1090.145"
title: "40"
number: "1090.145"
heading: "Transmix processors."
url: "https://uscodex.org/cfr/40/1090.145"
---

# §1090.145. Transmix processors.


A transmix processor must comply with the requirements of this section.

- (a) **Transmix requirements.** A transmix processor must comply with the transmix requirements of subpart F of this part.
- (b) **Registration.** A transmix processor must register with EPA under subpart I of this part.
- (c) **Certification and designation.** A transmix processor must certify and designate the fuel they produce under subpart K of this part.
- (d) **PTDs.** On each occasion when a transmix processor produces a batch of fuel or transfers custody of or title to any fuel, fuel additive, or regulated blendstock, the transferor must provide to the transferee PTDs under subpart L of this part.
- (e) **Sampling, testing, and retention requirements.** A transmix processor must conduct sampling, testing, and sample retention in accordance with subparts F and N of this part.
- (f) **Reporting.** A transmix processor must submit reports to EPA under subpart J of this part.
- (g) **Annual attestation engagement.** A transmix processor must submit annual attestation engagement reports to EPA under subpart S of this part.

## Notes

### Amendments

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4344, Jan. 15, 2025]

### Authority

Authority: 42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601.

### Source

Source: 85 FR 78469, Dec. 4, 2020, unless otherwise noted.

### Amendments

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4344, Jan. 15, 2025]