Expanding Verification Services for Canadian Clean Fuel Regulations and USDA Regenerative Agriculture Practices for 45Z
WILLMAR, MN – Christianson PLLP is happy to share that we just received accreditation from the Standards Council of Canada under ISO/IEC 17029:2019 and ISO 14065:2020, expanding the Certified Public Accountants (CPA) firm’s accredited third-party verification services for renewable fuel producers participating in Canadian and U.S. clean fuel programs.
Many renewable fuel programs require annual independent third-party verification as a condition of participation. This rare accreditation enables Christianson to immediately serve renewable fuel producers seeking to access the Canadian market under the Canadian Clean Fuel Regulations, while also providing accredited verification under the U.S. Department of Agriculture’s Technical Guidelines for the Production of Regenerative Agricultural Biofuel Feedstocks, allowing renewable fuel producers to further lower their facility’s carbon intensity through their feedstocks and increasing their 45Z Clean Fuel Production tax credit value.
Together with Christianson’s existing verification services, producers can now work with a single, trusted verification partner to support carbon intensity reduction compliance across multiple federal, state and international programs.
“Our clients desire a more streamlined approach to compliance as clean fuel programs advance,” said Kari Buttenhoff, Partner and Head of Compliance at Christianson. “With this accreditation, we’re able to expand our role as a trusted third-party verification body across North America. Renewable fuel producers can now rely on one experienced team for Renewable Fuel Standard compliance, state low-carbon fuel programs, Section 45Z verification, Canada’s Clean Fuel Regulations and the USDA’s regenerative agriculture program for 45Z. Our newfound ISO accreditation will open the door for additional sustainability verification services in the near future, as we further expand our offerings to meet the needs of the renewable fuels industry and its increasing participation in sustainability programs.”
The new ISO-accredited services build upon Christianson’s long-standing leadership in renewable fuels compliance. In addition to serving as a Renewable Fuel Standard (RFS) Renewable Identification Number (RIN) attest auditor and Quality Assurance Program (QAP) provider, Christianson performs third-party validation and verification for state low-carbon fuel programs and official third-party verification of the 45ZCF-GREET model for the federal Section 45Z Clean Fuel Production Credit.
With this accreditation, Christianson is now a recognized verification body for the Canadian Clean Fuel Regulations and the USDA’s regenerative agricultural biofuel feedstock program, allowing renewable fuel producers to work with a single independent firm for verification and validation services spanning U.S. federal tax incentives, state clean fuel programs, the Renewable Fuel Standard, Canadian Clean Fuel Regulations and emerging sustainability initiatives.
Christianson PLLP is a full-service Certified Public Accountant (CPA) firm located in Willmar, Minnesota and has worked with renewable fuel producers for over 35 years, providing technical assistance and professional services that promote industry compliance.
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302 SW 5th St
Willmar, MN 56201
www.christiansoncpa.com







