A prior section 5 of act June 25, 1947, was classified to section 135c of this title prior to amendment of act June 25, 1947, by Pub. L. 92–516.

1991—Subsecs. (b), (e), (f). Pub. L. 102–237 substituted “the Administrator” for “he” before “may” in subsec. (b), before “finds” in subsec. (e), and before “may” in subsec. (f).

1988—Subsec. (f). Pub. L. 100–532, § 801(q)(1)(D), substituted “136i” for “136b”.

Subsec. (g). Pub. L. 100–532, § 801(d), substituted “require. Such pesticide” for “require: Provided, That such pesticide”.

1978—Subsec. (a). Pub. L. 95–396, § 10(1), provided for review of application, issuance or nonissuance of experimental use permit within prescribed period including reasons for denial, correction of application, and waiver of conditions and substituted provision for filing an application for experimental use permit at any time for prior provision for filing at the time of or before or after an application for registration is filed.

Subsec. (f). Pub. L. 95–396, § 10(2), substituted in first sentence “shall” for “may” where first appearing.

1975—Subsec. (g). Pub. L. 94–140 added subsec. (g).

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

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