Citrus Tristeza Virus (CTV) Strain T36 Expressing Spinach Defensin Proteins SoD2, SoD2-1, and SoD2*; Exemption From the Requirement of a Tolerance

Document 2026-06686 is a Final Rule published by the Environmental Protection Agency in the Federal Register on April 7, 2026, with an effective date of April 7, 2026. This regulation establishes an exemption from the requirement of a tolerance for residues of Citrus tristeza virus (CTV) strain T36 expressing Spinach Defensin Proteins SoD2, SoD2-1, and SoD2* in or on the food and feed commodities of citrus. Silvec Biologics, Inc submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA) requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of CTV strain T36 expressing Spinach Defensin Proteins SoD2, SoD2-1, and SoD2* under FFDCA when used in accordance with this exemption. View the original at https://www.federalregister.gov/documents/2026/04/07/2026-06686/citrus-tristeza-virus-ctv-strain-t36-expressing-spinach-defensin-proteins-sod2-sod2-1-and-sod2.

No. Document 2026-06686 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.