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Title 40

Displaying title 40, up to date as of 7/13/2026. Title 40 was last amended 7/13/2026.
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  1. Title 40 —Protection of Environment
  2. Chapter I —Environmental Protection Agency
  3. Subchapter E —Pesticide Programs
  4. Part 174 —Procedures and Requirements for Plant-Incorporated Protectants
  5. Subpart W   View Full Text
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eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter EPesticide Programs150 – 189
Part 174Procedures and Requirements for Plant-Incorporated Protectants174.1 – 174.705
Subpart WTolerances and Tolerance Exemptions174.500 – 174.559
§ 174.500Scope and purpose.
§ 174.501Bacillus thuringiensis Vip3Aa protein in corn and cotton; exemption from the requirement of a tolerance.
§ 174.502Bacillus thuringiensis Cry1A.105 protein; exemption from the requirement of a tolerance.
§ 174.504Bacillus thuringiensis Cry1F protein; exemption from the requirement of a tolerance.
§ 174.505Bacillus thuringiensis modified Cry3A protein (mCry3A) in corn; exemption from the requirement of a tolerance.
§ 174.506Bacillus thuringiensis Cry34Ab1 and Cry35Ab1 proteins in corn; exemption from the requirement of a tolerance.
§ 174.507Nucleic acids that are part of a plant-incorporated protectant; exemption from the requirement of a tolerance.
§ 174.508Pesticidal substance of a plant-incorporated protectant from a sexually compatible plant created through conventional breeding; exemption from the requirement of a tolerance.
§ 174.509Bacillus thuringiensis Cry3A protein; exemption from the requirement of a tolerance.
§ 174.510Bacillus thuringiensis Cry1Ac protein in all plants; exemption from the requirement of a tolerance.
§ 174.511Bacillus thuringiensis Cry1Ab protein in all plants; exemption from the requirement of a tolerance.
§ 174.512Coat Protein of Potato Virus Y; exemption from the requirement of a tolerance.
§ 174.513Potato Leaf Roll Virus Resistance Gene (also known as orf1/orf2 gene); exemption from the requirement of a tolerance.
§ 174.514Coat Protein of Watermelon Mosaic Virus-2 and Zucchini Yellow Mosaic Virus; exemption from the requirement for a tolerance.
§ 174.515Coat Protein of Papaya Ringspot Virus; exemption from the requirement of a tolerance.
§ 174.516Coat protein of cucumber mosaic virus; exemption from the requirement of a tolerance.
§ 174.517Bacillus thuringiensis Cry9C protein in corn; exemption from the requirement of a tolerance.
§ 174.518Bacillus thuringiensis Cry3Bb1 protein in corn; exemption from the requirement of a tolerance.
§ 174.519Bacillus thuringiensis Cry2Ab2 protein; exemption from the requirement of a tolerance.
§ 174.521Neomycin phosphotransferase II; exemption from the requirement of a tolerance.
§ 174.522Phosphinothricin Acetyltransferase (PAT); exemption from the requirement of a tolerance.
§ 174.523CP4 Enolpyruvylshikimate-3-phosphate (CP4 EPSPS) synthase in all plants; exemption from the requirement of a tolerance.
§ 174.524Glyphosate Oxidoreductase GOX or GOXv247 in all plants; exemption from the requirement of a tolerance.
§ 174.525E. coli B-D-glucuronidase enzyme as a plant-incorporated protectant inert ingredient; exemption from the requirement of a tolerance.
§ 174.526Hygromycin B phosphotransferase (APH4) marker protein in all plants; exemption from the requirement of a tolerance.
§ 174.527Phosphomannose isomerase in all plants; exemption from the requirement of a tolerance.
§ 174.529Bacillus thuringiensis modified Cry1Ab protein as identified under OECD Unique Identifier SYN-IR67B-1 in cotton; exemption from the requirement of a tolerance.
§ 174.530Bacillus thuringiensis Cry2Ae protein in cotton; exemption from the requirement of a tolerance.
§ 174.531Coat protein of plum pox virus; exemption from the requirement of a tolerance.
§ 174.532Bacillus thuringiensis eCry3.1Ab protein in corn; exemption from the requirement of a tolerance.
§ 174.533Glycine max Herbicide-Resistant Acetolactate Synthase (GM-HRA) inert ingredient; exemption from the requirement of a tolerance.
§ 174.534VNT1 protein; exemption from the requirement of a tolerance.
§ 174.535Spinach Defensin proteins; temporary exemption from the requirement of a tolerance.
§ 174.536Bacillus thuringiensis mCry51Aa2 protein in cotton; temporary exemption from the requirement of a tolerance.
§ 174.537HPPD-4 protein; exemption from the requirement of a tolerance.
§ 174.539Cry51Aa2.834__16 protein; exemption from the requirement of a tolerance.
§ 174.540Bacillus thuringiensis Cry14Ab-1 protein; exemption from the requirement of a tolerance.
§ 174.541Pesticidal substance of a plant-incorporated protectant created through genetic engineering from a sexually compatible plant; exemption from the requirement of a tolerance.
§ 174.542Bacillus thuringiensis Cry1Ab/Cry2Aj protein in corn; exemption from the requirement of a tolerance.
§ 174.543G10evo-EPSPS protein in all plants; exemption from the requirement of a tolerance.
§ 174.544Modified potato acetolactate synthase (StmALS) in potato; exemption from the requirement of a tolerance.
§ 174.545BLB2 and AMR3 proteins in potato; temporary exemption from the requirement of a tolerance.
§ 174.546Bacillus thuringensis Cry1B.868 and Cry1Da_7 proteins; exemption from the requirement of a tolerance.
§ 174.547Ophioglossum pendulum IPD079Ea protein; exemption from the requirement of a tolerance.
§ 174.548Pseudomonas chlororaphis IPD072Aa protein; exemption from the requirement of a tolerance.
§ 174.549Bacillus thuringiensis Cry1Da2 protein; exemption from the requirement of a tolerance.
§ 174.550Streptomyces sviceus DGT-28 EPSPS (5-enolpyruvylshikimate-3-phosphate synthase) protein; exemption from the requirement of a tolerance.
§ 174.551Brevibacillus laterosporus Mpp75Aa1.1 protein; exemption from the requirement of a tolerance.
§ 174.552Bacillus thuringiensis Vpb4Da2 protein; exemption from the requirement of a tolerance.
§ 174.553Bacillus thuringiensis Cry1B.34 protein; exemption from the requirement of a tolerance.
§ 174.554Bacillus thuringiensis Cry1A.2 protein; exemption from the requirement of a tolerance.
§ 174.555Bacillus thuringiensis Cry1B.2 protein; exemption from the requirement of a tolerance.
§ 174.556SpCas9 protein; exemption from the requirement of a tolerance.
§ 174.557Bacillus thuringensis Cry1B.34.1 protein; exemption from the requirement of a tolerance.
§ 174.558Bacillus thuringensis Cry1B.61.1 protein; exemption from the requirement of a tolerance.
§ 174.559Adiantum trapeziforme var. braziliense IPD083Cb protein; exemption from the requirement of a tolerance.
eCFR Content