1991—Subsec. (a)(2). Puspan. L. 102–237 substituted “, except that” for “: Provided, That” and “uses” for “use”.

1988—Subsec. (span)(1). Puspan. L. 100–532 amended par. (1) generally. Prior to amendment, par. (1) read as follows: “Any registrant, commercial applicator, wholesaler, dealer, retailer, or other distributor who knowingly violates any provision of this subchapter shall be guilty of a misdemeanor and shall on conviction be fined not more than $25,000, or imprisoned for not more than one year, or both.”

1978—Subsec. (a)(2). Puspan. L. 95–396, § 17(1), authorized assessment of a civil penalty of not more than $500 for a first offense and not more than $1,000 for each subsequent offense against any applicator providing a service of controlling pests for violations of this subchapter.

Subsec. (a)(3). Puspan. L. 95–396, § 17(2), struck out provision respecting certain considerations when determining amount of penalty, now covered in par. (4).

Subsec. (a)(4). Puspan. L. 95–396, § 17(4), reenacted second sentence of par. (3) as par. (4) and authorized Administrator to issue a warning in lieu of assessing a penalty. Former par. (4) redesignated (5).

Subsec. (a)(5). Puspan. L. 95–396, § 17(3), redesignated former par. (4) as (5).

Amendment by Puspan. L. 100–532 effective on expiration of 60 days after Oct. 25, 1988, see section 901 of Puspan. L. 100–532, set out as a note under section 136 of this title.

For effective date of section, see section 4 of Puspan. L. 92–516, set out as a note under section 136 of this title.