40 CFR § 174.535 - Spinach Defensin proteins; temporary exemption from the requirement of a tolerance.
---
identifier: "/us/cfr/t40/s174.535"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 174.535 - Spinach Defensin proteins; temporary exemption from the requirement of a tolerance."
title_number: 40
title_name: "Protection of Environment"
section_number: "174.535"
section_name: "Spinach Defensin proteins; temporary exemption from the requirement of a tolerance."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "174"
part_name: "PROCEDURES AND REQUIREMENTS FOR PLANT-INCORPORATED PROTECTANTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 136-136y; 21 U.S.C. 321(q), 346a and 371."
regulatory_source: "66 FR 37814, July 19, 2001, unless otherwise noted."
cfr_part: "174"
---
# 174.535 Spinach Defensin proteins; temporary exemption from the requirement of a tolerance.
Residues of the defensin proteins SoD2, SoD2*, SoD7, and SoD8 derived from spinach (*Spinacia oleracea* L.) in or on citrus food commodities are temporarily exempt from the requirement of a tolerance when used as a plant-incorporated protectant in citrus plants in accordance with the terms of Experimental Use Permit No. 88232-EUP-1. This temporary exemption from the requirement of a tolerance expires on May 31, 2025.
[86 FR 51004, Sept. 14, 2021]