U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 7Chapter IPart 201 - PART 201—FEDERAL SEED ACT REQUIREMENTS

DEFINITIONS
§ 201.1 - Meaning of words.
§ 201.2 - Terms defined.

ADMINISTRATION
§ 201.3 - Administrator.

RECORDS FOR AGRICULTURAL AND VEGETABLE SEEDS
§ 201.4 - Maintenance and accessibility.
§ 201.5 - Origin.
§ 201.6 - Germination.
§ 201.7 - Purity (including variety).
§ 201.7a - Treated seed.

LABELING AGRICULTURAL SEEDS
§ 201.8 - Contents of the label.
§ 201.9 - Kind.
§ 201.10 - Variety.
§ 201.11 - Type.
§ 201.11a - Hybrid.
§ 201.12 - Name of kind and variety.
§ 201.12a - Seed mixtures.
§ 201.13 - Lot number or other identification.
§ 201.14 - Origin.
§ 201.15 - Weed seeds.
§ 201.16 - Noxious-weed seeds.
§ 201.17 - Noxious-weed seeds in the District of Columbia.
§ 201.18 - Other agricultural seeds.
§ 201.19 - Inert matter.
§ 201.20 - Germination
§ 201.21 - Hard seed or dormant seed.
§ 201.22 - Date of test.
§ 201.23 - Seller and buyer information.
§ 201.24 - Code designation.
§ 201.24a - Inoculated seed.

LABELING VEGETABLE SEEDS
§ 201.25 - Contents of the label.
§ 201.26 - Kind, variety, and hybrid.
§ 201.26a - Vegetable seed mixtures.
§ 201.27 - Seller and buyer information.
§ 201.28 - Code designation.
§ 201.29 - Germination of vegetable seed in containers of 1 pound or less.
§ 201.29a - Germination of vegetable seed in containers of more than 1 pound.
§ 201.30 - Hard seed.
§ 201.30a - Date of test.
§ 201.30b - Lot number or other lot identification of vegetable seed in containers of more than 1 pound.
§ 201.30c - Noxious-weed seeds of vegetable seed in containers of more than 1 pound.
§ 201.31 - Minimum germination standards for vegetable seeds in interstate commerce.

LABELING IN GENERAL
§ 201.31a - Labeling treated seed.
§ 201.32 - Screenings.
§ 201.33 - Seed in bulk or large quantities; seed for cleaning or processing.
§ 201.34 - Kind, variety, and type; treatment substances; designation as hybrid.
§ 201.35 - Blank spaces.
§ 201.36 -

MODIFYING STATEMENTS
§ 201.36a - Disclaimers and nonwarranties.

ADVERTISING
§ 201.36b - Name of kind and variety; designation as hybrid.
§ 201.36c - Hermetically-sealed containers.

INSPECTION
§ 201.37 - Authorization.
§ 201.38 - [Reserved]

SAMPLING IN THE ADMINISTRATION OF THE ACT
§ 201.39 - General procedure.
§ 201.40 - Bulk.
§ 201.41 - Bags.
§ 201.42 - Small containers.
§ 201.43 - Size of sample.
§ 201.44 - Forwarding samples.

PURITY ANALYSIS IN THE ADMINISTRATION OF THE ACT
§ 201.45 - Obtaining the working sample.
§ 201.46 - Weight of working sample.
§ 201.47 - Separation.
§ 201.47a - Seed unit.
§ 201.47b - Working samples.
§ 201.48 - Kind or variety considered pure seed.
§ 201.49 - Other crop seed.
§ 201.50 - Weed seed.
§ 201.51 - Inert matter.
§ 201.51a - Special procedures for purity analysis.
§ 201.51b - Purity procedures for coated seed.
§ 201.52 - Noxious-weed seeds.

GERMINATION TESTS IN THE ADMINISTRATION OF THE ACT
§ 201.53 - Source of seeds for germination.
§ 201.54 - Number of seeds for germination.
§ 201.55 - Retests.
§ 201.55a - Moisture and aeration of substratum.
§ 201.56 - Interpretation.
§ 201.56-1 - Goosefoot family, Chenopodiaceae, and Carpetweed family, Aizoaceae.
§ 201.56-2 - Sunflower family, Asteraceae (Compositae).
§ 201.56-3 - Mustard family, Brassicaceae (Cruciferae).
§ 201.56-4 - Cucurbit family, (Cucurbitaceae).
§ 201.56-5 - Grass family, Poaceae (Gramineae).
§ 201.56-6 - Legume or pea family, Fabaceae (Leguminosae).
§ 201.56-7 - Lily family, Liliaceae.
§ 201.56-8 - Flax family, Linaceae.
§ 201.56-9 - Mallow family, Malvaceae.
§ 201.56-10 - Spurge family, Euphorbiaceae.
§ 201.56-11 - Knotweed family, Polygonaceae.
§ 201.56-12 - Miscellaneous plant families.
§ 201.57 - Hard seeds.
§ 201.57a - Dormant seeds.
§ 201.58 - Substrata, temperature, duration of test, and certain other specific directions for testing for germination and hard seed.

EXAMINATIONS IN THE ADMINISTRATION OF THE ACT
§ 201.58a - Indistinguishable seeds.
§ 201.58b - Origin.
§ 201.58c - Detection of captan, mercury, or thiram on seed.
§ 201.58d - Fungal endophyte test.

TOLERANCES
§ 201.65 - Noxious-weed seeds in interstate commerce.
§ 201.66 - [Reserved]
§ 201.59 - Application.
§ 201.60 - Purity percentages.
§ 201.61 - Fluorescence percentages in ryegrasses.
§ 201.62 - Tests for determination of percentages of kind, variety, type, hybrid, or offtype.
§ 201.63 - Germination.
§ 201.64 - Pure live seed.

CERTIFIED SEED
§ 201.67 - Seed certifying agency standards and procedures.
§ 201.68 - Eligibility requirements for certification of varieties.
§ 201.69 - Classes of certified seed.
§ 201.70 - Limitations of generations for certified seed.
§ 201.71 - Establishing the source of all classes of certified seed.
§ 201.72 - Production of all classes of certified seed.
§ 201.73 - Processors and processing of all classes of certified seed.
§ 201.74 - Labeling of all classes of certified seed.
§ 201.75 - Interagency certification.
§ 201.76 - Minimum Land, Isolation, Field, and Seed Standards.

ADDITIONAL REQUIREMENTS FOR THE CERTIFICATION OF PLANT MATERIALS OF CERTAIN CROPS
§ 201.77 - Length of stand requirements.
§ 201.78 - Pollen control for hybrids.
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