# Defensin Proteins Derived From Spinach in Citrus Plants; Temporary Exemption From the Requirement of a Tolerance
> **Rule** · Final rule. · Published 2021-09-14 · Effective 2021-09-14 · 86 FR 51001
## Document
- **Document number:** 2021-18786
- **Category:** pesticide
- **Federal Register citation:** 86 FR 51001
- **CFR reference:** 40 CFR 174
- **Publication date:** 2021-09-14
- **Effective date:** 2021-09-14
- **EPA docket:** EPA-HQ-OPP-2021-0170
## Abstract

This regulation establishes a temporary exemption from the requirement of a tolerance for residues of spinach defensin proteins SoD2, SoD2*, SoD7, and SoD8 in or on citrus when used as a plant- incorporated protectant in accordance with the terms of Experimental Use Permit (EUP) No. 88232-EUP-1. Southern Gardens Citrus Nursery, LLC., submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting the temporary tolerance exemption. This regulation eliminates the need to establish a maximum permissible level for residues of spinach defensin proteins SoD2, SoD2*, SoD7, and SoD8. The temporary tolerance exemption expires on May 31, 2025.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/09/14/2021-18786/defensin-proteins-derived-from-spinach-in-citrus-plants-temporary-exemption-from-the-requirement-of)
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