The Plant Variety Protection Act, referred to in text, is Pub. L. 91–577, Dec. 24, 1970, 84 Stat. 1542, which is classified principally to chapter 57 (§ 2321 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 2321 of this title and Tables.

1970—Pub. L. 91–577 inserted provisions setting out conditions for certification of seed of any variety for which a certificate of plant variety protection under the Plant Variety Protection Act specifies sale only as a class of certified seed.

1969—Pub. L. 91–89 struck out references to registered seed, and required labels, advertisement, or other representations to certify that the seed contained therein was determined by a seed certifying agency to be of a specified class and a specified kind of variety in conformity with the standards of genetic purity and identity as to kind or variety.

Amendment by Pub. L. 91–577 effective Dec. 24, 1970, see section 141 of Pub. L. 91–577, set out as an Effective Date note under section 2321 of this title.