{"data":{"id":"us/40-cfr-174.537","jurisdiction":"us","citation":"40 CFR 174.537","heading":"HPPD-4 protein; exemption from the requirement of a tolerance.","body":"Residues of the HPPD-4 protein, which is a modified protein derived from the 4-hydroxyphenylpyruvate dioxygenase enzyme of Pseudomonas fluorescens, in or on all food commodities are exempt from the requirement of a tolerance, when the HPPD-4 protein is used as a plant-incorporated protectant inert ingredient.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER E—PESTICIDE PROGRAMS","PART 174—PROCEDURES AND REQUIREMENTS FOR PLANT-INCORPORATED PROTECTANTS","Subpart W—Tolerances and Tolerance Exemptions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"380608e7fb1ac9fa10448d3f98f657dadfc4a8e9c2eaf4c930ed5e3167ae5384","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-174.536","next":"us/40-cfr-174.539"},"notice":"GroundRules: Original legal text. Not legal advice."}